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We found 45 products
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5 Star Elite DX Bags Lightweight Self Seal Waterproof 450mm x 320mm 50mm Flap White (100 Pack)

5 Star Elite DX Bags Lightweight Self Seal Waterproof 450mm x 320mm 50mm Flap White 100 Pack 463372 F
100
Pack
  • Waterproof: Protects contents from moisture and damage
  • Self-Seal: Quick and secure closure for easy use
  • Durable: Part of the premium 5 Star Elite range
  • Large Size: 450x320mm with a 50mm flap for ample space
£28.73
£23.94 ex. VAT
£23.94
£28.73 inc. VAT
£28.73
£23.94 ex. VAT
£23.94
£28.73 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

County Stationery Mail Bag Envelopes Extra Strong Polythene Large 320mm x 440mm White (50 Pack)

County Stationery Mail Bag Envelopes Extra Strong Polythene Large 320mm x 440mm White 50 Pack 924774 F
10
Pack
  • Pack of 50 large, 320x440mm white polythene mail bags.
  • Strong, waterproof & tear resistant for secure transit.
  • Features a secure peel and seal closure.
  • Fully recyclable for environmentally conscious mailing.
£15.99
£13.33 ex. VAT
£13.33
£15.99 inc. VAT
£15.99
£13.33 ex. VAT
£13.33
£15.99 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

County Stationery Mail Bag Envelopes Extra Strong Polythene Extra Large 420mm x 500mm White (40 Pack)

County Stationery Mail Bag Envelopes Extra Strong Polythene Extra Large 420mm x 500mm White 40 Pack 924767 F
10
Pack
  • Pack of 40 extra large, 420 x 500mm white polythene mail bags.
  • Strong & Waterproof: Provides reliable protection against damage.
  • Easy to Use: Features a secure peel and seal closure.
£15.79
£13.16 ex. VAT
£13.16
£15.79 inc. VAT
£15.79
£13.16 ex. VAT
£13.16
£15.79 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

County Stationery Mail Bag Envelopes Extra Strong Polythene Jumbo 500mm x 650mm White (30 Pack)

County Stationery Mail Bag Envelopes Extra Strong Polythene Jumbo 500mm x 650mm White 30 Pack 924766 F
10
Pack
  • Jumbo Size: 500 x 650mm – ideal for bulky mailings.
  • Strong & Waterproof: Tear-resistant and protects contents from the elements.
  • Secure Peel & Seal: Reliable closure for peace of mind.
  • Recyclable: Supports responsible packaging.
£18.87
£15.73 ex. VAT
£15.73
£18.87 inc. VAT
£18.87
£15.73 ex. VAT
£15.73
£18.87 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

County Stationery Mail Bag Envelopes Extra Strong Polythene Small 160mm x 230mm White (50 Pack)

County Stationery Mail Bag Envelopes Extra Strong Polythene Small 160mm x 230mm White 50 Pack 924776 F
10
Pack
  • Pack of 50 white polythene mail bags (160x230mm).
  • Strong, waterproof & tear-resistant material.
  • Features a secure peel and seal closure.
  • Fully recyclable for responsible mailing.
£13.22
£11.02 ex. VAT
£11.02
£13.22 inc. VAT
£13.22
£11.02 ex. VAT
£11.02
£13.22 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

GoSecure Envelope Extra Strong Polythene 245mm x 320mm White (25 Pack)

GoSecure Envelope Extra Strong Polythene 245mm x 320mm White 25 Pack 492560 F
24
Pack
  • Pack of 25 Envelopes
  • 245 x 320mm Size
  • Tear-Resistant Polythene
  • Water Repellent Protection
This item is out of stock

GoSecure Envelope Extra Strong Polythene 245mm x 320mm White (25 Pack)

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GoSecure Mailing Bag Strong Polythene 235mm x 320mm White (100 Pack)

GoSecure Mailing Bag Strong Polythene 235mm x 320mm White 100 Pack 411357 F
100
Pack
  • Pack Size: 100 durable mailing bags
  • Dimensions: 235 x 320mm
  • Security Feature: Opaque for confidential mailing
  • Closure Type: Easy-peel and seal for secure dispatch
This item is out of stock

GoSecure Mailing Bag Strong Polythene 235mm x 320mm White (100 Pack)

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GoSecure Envelope Extra Strong Polythene 470mm x 430mm White (25 Pack)

GoSecure Envelope Extra Strong Polythene 470mm x 430mm White 25 Pack 492561 F
25
Pack
  • Size: 470x430mm
  • Pack Quantity: 25 envelopes
  • Key Features: Tear-resistant and water repellent
  • Ideal for: Documents, parcels & protecting valuable contents
This item is out of stock

GoSecure Envelope Extra Strong Polythene 470mm x 430mm White (25 Pack)

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GoSecure Envelope Extra Strong Polythene 345mm x 430mm White (25 Pack)

GoSecure Envelope Extra Strong Polythene 345mm x 430mm White 25 Pack 492559 F
25
Pack
  • Extra Strong: Designed for a tough and durable build.
  • Water Repellent: Helps protect contents from moisture during transit.
  • Size: 345 x 430mm – suitable for documents and parcels.
  • Pack Quantity: Includes 25 envelopes per pack.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 345mm x 430mm White (25 Pack)

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GoSecure Envelope Extra Strong Polythene 165mm x 240mm White (25 Pack)

GoSecure Envelope Extra Strong Polythene 165mm x 240mm White 25 Pack 492563 F
25
Pack
  • Size: 165x240mm
  • Pack Quantity: 25 envelopes
  • Durability: Tear-resistant construction
  • Water Protection: Water repellent design
This item is out of stock

GoSecure Envelope Extra Strong Polythene 165mm x 240mm White (25 Pack)

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GoSecure Envelope Extra Strong Polythene 460mm x 430mm Grey (100 Pack)

GoSecure Envelope Extra Strong Polythene 460mm x 430mm Grey 100 Pack 456465 F
100
Pack
  • Extra Strong: Built to withstand rough handling.
  • Opaque Material: Ensures confidentiality for sensitive documents.
  • Convenient Closure: Features a simple peel and seal.
  • Dimensions: 460 x 430mm
This item is out of stock

GoSecure Envelope Extra Strong Polythene 460mm x 430mm Grey (100 Pack)

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GoSecure Extra Strong Polythene Envelopes 610mm x 700mm (25 Pack)

GoSecure Extra Strong Polythene Envelopes 610mm x 700mm 25 Pack 492562 F
25
Pack
  • Extra strong and durable
  • Size: 610x700mm
  • Contains 25 envelopes per pack
  • Helps protect contents from moisture damage
This item is out of stock

GoSecure Extra Strong Polythene Envelopes 610mm x 700mm (25 Pack)

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GoSecure Envelope Extra Strong Polythene 240mm x 320mm White (100 Pack)

GoSecure Envelope Extra Strong Polythene 240mm x 320mm White 100 Pack 456462 F
100
Pack
  • Extra Strong & Durable: Built to withstand the rigours of postage.
  • Opaque Material: Ensures confidentiality for sensitive documents.
  • Convenient Closure: Features a simple peel and seal for quick and easy use.
  • Pack Size: Contains 100 durable envelopes.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 240mm x 320mm White (100 Pack)

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5 Star Elite Envelopes Lightweight Waterproof Polythene Peel/Seal 245mm x 320mm 50mm Flap White (100 Pack)

5 Star Elite Envelopes Lightweight Waterproof Polythene Peel Seal 245mm x 320mm 50mm Flap White 100 Pack 440786 F
100
Pack
  • Waterproof & Secure: Protects documents from the elements and keeps contents dry.
  • Confidentiality: Opaque material ensures privacy of enclosed documents.
  • Convenient Closure: Features a peel & seal flap for quick and secure dispatch.
  • Pack Size: Includes 100 envelopes per pack.
This item is out of stock

5 Star Elite Envelopes Lightweight Waterproof Polythene Peel/Seal 245mm x 320mm 50mm Flap White (100 Pack)

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GoSecure Mailing Bag Strong Polythene 595mm x 430mm White (100 Pack)

GoSecure Mailing Bag Strong Polythene 595mm x 430mm White 100 Pack 411355 F
100
Pack
  • Pack Size: 100 durable mailing bags
  • Dimensions: 595 x 430mm
  • Security Feature: Opaque for confidential mailing
  • Closure Type: Easy-peel and seal – no tape needed
This item is out of stock

GoSecure Mailing Bag Strong Polythene 595mm x 430mm White (100 Pack)

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GoSecure Envelope Extra Strong Polythene 440mm x 320mm White (100 Pack)

GoSecure Envelope Extra Strong Polythene 440mm x 320mm White 100 Pack 456463 F
100
Pack
  • Extra Strong & Durable: Resists ripping and tearing for secure transit.
  • Confidential & Opaque: Protects sensitive documents from view.
  • Easy to Use: Features a simple peel and seal closure.
  • Large Size & Quantity: 440 x 320mm, pack of 100 envelopes.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 440mm x 320mm White (100 Pack)

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GoSecure Envelope Lightweight Polythene 235mm x 310mm Clear (100 Pack)

GoSecure Envelope Lightweight Polythene 235mm x 310mm Clear 100 Pack 456456 F
100
Pack
  • Pack Size: Contains 100 clear envelopes, 235 x 310mm.
  • Durable Material: Crafted from polythene, resisting rips and tears.
  • Easy to Use: Features a convenient peel and seal closure.
This item is out of stock

GoSecure Envelope Lightweight Polythene 235mm x 310mm Clear (100 Pack)

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5 Star Elite Envelopes Lightweight Waterproof Polythene Peel/Seal 360mm x 430mm 50mm Flap White (100 Pack)

5 Star Elite Envelopes Lightweight Waterproof Polythene Peel Seal 360mm x 430mm 50mm Flap White 100 Pack 440784 F
100
Pack

  • Waterproof Protection: Keeps documents dry and secure.

  • Easy to Use: Features a peel & seal closure for quick dispatch.

  • Privacy Assured: Opaque material hides contents from view.

  • Large Pack: Includes 100 envelopes – ideal for businesses.

This item is out of stock

5 Star Elite Envelopes Lightweight Waterproof Polythene Peel/Seal 360mm x 430mm 50mm Flap White (100 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

GoSecure Mailing Bag Strong Polythene 460mm x 430mm White (100 Pack)

GoSecure Mailing Bag Strong Polythene 460mm x 430mm White 100 Pack 411354 F
100
Pack
  • Secure & Confidential: Opaque material protects contents.
  • Durable: Tear-resistant construction for reliable mailing.
  • Easy Closure: Peel and seal – no tape needed.
  • Size: 460 x 430mm per bag.
This item is out of stock

GoSecure Mailing Bag Strong Polythene 460mm x 430mm White (100 Pack)

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GoSecure Envelope Extra Strong Polythene 360mm x 460mm White (100 Pack)

GoSecure Envelope Extra Strong Polythene 360mm x 460mm White 100 Pack 456469 F
100
Pack

  • Pack Size: Contains 100 robust 360x460mm envelopes.

  • Durable & Protective: Resists tearing, damage, and water damage in transit.

  • Confidential & Secure: Opaque material conceals contents, with a peel and seal closure.

  • Reliable Postage: Designed for secure dispatch of important documents and items.

This item is out of stock

GoSecure Envelope Extra Strong Polythene 360mm x 460mm White (100 Pack)

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GoSecure Envelope Extra Strong Polythene 600mm x 700mm White (50 Pack)

GoSecure Envelope Extra Strong Polythene 600mm x 700mm White 50 Pack 456460 F
50
Pack
  • Extra strong & tear-resistant - Built to withstand transit.
  • Opaque for confidentiality - Ensures contents remain private.
  • Convenient peel & seal - Easy to use for quick dispatch.
  • 600 x 700mm, 50-pack - Reliable protection for documents & parcels.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 600mm x 700mm White (50 Pack)

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GoSecure Envelope Extra Strong Polythene 240mm x 320mm Clear (100 Pack)

GoSecure Envelope Extra Strong Polythene 240mm x 320mm Clear 100 Pack 456461 F
100
Pack
  • Resists ripping, tearing and protects against damage in transit
  • Shields contents from the elements and water damage
  • Easily identify contents with a peel and seal closure
  • Each pack contains 100 envelopes sized 240x320mm
This item is out of stock

GoSecure Envelope Extra Strong Polythene 240mm x 320mm Clear (100 Pack)

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GoSecure Envelope Lightweight Polythene 230mm x 162mm Grey (100 Pack)

GoSecure Envelope Lightweight Polythene 230mm x 162mm Grey 100 Pack 498254 F
100
Pack
  • Secure Mailing: Durable polythene resists rips and tears, protecting contents.
  • Confidentiality: Opaque material ensures privacy for sensitive documents.
  • Easy to Use: Convenient peel & seal closure for quick dispatch.
This item is out of stock

GoSecure Envelope Lightweight Polythene 230mm x 162mm Grey (100 Pack)

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Ampac C3 Envelope Lightweight Tamper Evident Security 335mm x 430mm White (20 Pack)

Ampac C3 Envelope Lightweight Tamper Evident Security 335mm x 430mm White 20 Pack 456471 F
20
Pack
  • Tamper-Evident: Features a double seal displaying 'VOID' if disturbed.
  • Trackable: Includes a tear-off redemption slip with unique sequential numbers.
  • Size: Designed for C3 sized documents (335 x 430mm).
  • Pack Quantity: Contains 20 security envelopes.
This item is out of stock

Ampac C3 Envelope Lightweight Tamper Evident Security 335mm x 430mm White (20 Pack)

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GoSecure Envelope Extra Strong Polythene 165mm x 240mm White (100 Pack)

GoSecure Envelope Extra Strong Polythene 165mm x 240mm White 100 Pack 498258 F
100
Pack
  • Extra Strong: Tear-resistant polythene construction for secure postage.
  • Confidential: Opaque material ensures complete privacy of contents.
  • Easy to Use: Features a convenient peel and seal closure.
  • Bulk Pack: Contains 100 envelopes per pack, size 165 x 240mm.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 165mm x 240mm White (100 Pack)

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GoSecure Mailing Bag Strong Polythene 400mm x 430mm Opaque (100 Pack)

GoSecure Mailing Bag Strong Polythene 400mm x 430mm Opaque 100 Pack 411353 F
100
Pack
  • 100 durable, opaque mailing bags per pack
  • 400 x 430mm dimensions, suitable for a wide range of goods
  • Peel and seal closure - no tape needed
  • Tear-resistant and secure
This item is out of stock

GoSecure Mailing Bag Strong Polythene 400mm x 430mm Opaque (100 Pack)

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GoSecure Envelope Extra Strong Polythene 430mm x 400mm Grey (100 Pack)

GoSecure Envelope Extra Strong Polythene 430mm x 400mm Grey 100 Pack 456464 F
100
Pack
  • Extra Strong & Durable: Resists ripping and tearing for secure transit.
  • Confidential & Opaque: Ensures complete privacy for your documents.
  • Water Resistant: Protects contents from weather damage.
  • Convenient & Practical: Includes peel and seal closure, 430x400mm size, pack of 100.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 430mm x 400mm Grey (100 Pack)

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5 Star Elite DX Bags Lightweight Self Seal Waterproof 470mm x 430mm 50mm Flap White (100 Pack)

5 Star Elite DX Bags Lightweight Self Seal Waterproof 470mm x 430mm 50mm Flap White 100 Pack 463370 F
100
Pack
  • Waterproof & Secure: Protects contents from moisture and damage with a robust self-seal.
  • Professional Size: Measures 470x430mm with a 50mm flap for ample space.
  • Premium Quality: Part of the 5 Star Elite range, comparable to leading brands.
  • Cost-Effective Pack: Contains 100 bags for business or personal use.
This item is out of stock

5 Star Elite DX Bags Lightweight Self Seal Waterproof 470mm x 430mm 50mm Flap White (100 Pack)

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GoSecure Envelope Extra Strong Polythene 440mm x 320mm White (20 Pack)

GoSecure Envelope Extra Strong Polythene 440mm x 320mm White 20 Pack 185187 F
20
Pack
  • Extra Strong & Durable: Provides peace of mind during transit.
  • Water-Resistant: Protects contents from the elements.
  • Peel & Seal Closure: For quick and convenient dispatch.
  • Pack of 20: Ideal for businesses and frequent use.
This item is out of stock

GoSecure Envelope Extra Strong Polythene 440mm x 320mm White (20 Pack)

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GoSecure Mailing Bag Lightweight Polythene 715mm x 585mm Grey (250 Pack)

GoSecure Mailing Bag Lightweight Polythene 715mm x 585mm Grey 250 Pack 411351 F
250
Pack
  • Pack Size: 250 Bags
  • Dimensions: 715 x 585mm
  • Colour: Opaque Grey
  • Closure Type: Peel & Seal
This item is out of stock

GoSecure Mailing Bag Lightweight Polythene 715mm x 585mm Grey (250 Pack)

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GoSecure Mailing Bag Lightweight Polythene 235mm x 320mm Grey (500 Pack)

GoSecure Mailing Bag Lightweight Polythene 235mm x 320mm Grey 500 Pack 411346 F
500
Pack

  • Pack of 500: Ideal for bulk mailing needs.

  • Secure & Tamper-Evident: Features a peel & seal closure.

  • Opaque Grey: Provides privacy and confidentiality.

  • Durable & Lightweight: Made from polythene, cost-effective dispatch.

This item is out of stock

GoSecure Mailing Bag Lightweight Polythene 235mm x 320mm Grey (500 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

GoSecure Envelope Lightweight Polythene 440mm x 320mm Grey (100 Pack)

GoSecure Envelope Lightweight Polythene 440mm x 320mm Grey 100 Pack 498256 F
100
Pack
  • Secure & Sustainable: Crafted from 100% recyclable polythene.
  • Durable Protection: Resists rips and tears during transit.
  • Privacy Focused: Opaque material keeps contents confidential.
  • Easy to Use: Features a convenient peel and seal closure.
This item is out of stock

GoSecure Envelope Lightweight Polythene 440mm x 320mm Grey (100 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

GoSecure Envelope Lightweight Polythene 335mm x 430mm Grey (100 Pack)

GoSecure Envelope Lightweight Polythene 335mm x 430mm Grey 100 Pack 498257 F
100
Pack
  • Pack Size: 100 opaque, grey envelopes
  • Dimensions: 335 x 430mm
  • Closure Type: Peel and seal
This item is out of stock

GoSecure Envelope Lightweight Polythene 335mm x 430mm Grey (100 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

GoSecure Mailing Bag Lightweight Polythene 335mm x 430mm Grey (500 Pack)

GoSecure Mailing Bag Lightweight Polythene 335mm x 430mm Grey 500 Pack 411350 F
500
Pack

  • Pack of 500: Ideal for bulk mailing needs.

  • Secure & Tamper-Evident: Features a peel & seal closure.

  • Opaque Grey: Provides privacy and conceals contents.

  • Durable & Lightweight: Made from robust polythene, sized 335 x 430mm.

This item is out of stock

GoSecure Mailing Bag Lightweight Polythene 335mm x 430mm Grey (500 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

GoSecure Envelope Lightweight Polythene 595mm x 430mm Grey (100 Pack)

GoSecure Envelope Lightweight Polythene 595mm x 430mm Grey 100 Pack 150942 F
100
Pack
  • Secure Mailing: Keeps documents confidential during transit.
  • Durable Design: Resists rips and tears for safe delivery.
  • Convenient Closure: Features a quick and easy peel & seal.
This item is out of stock

GoSecure Envelope Lightweight Polythene 595mm x 430mm Grey (100 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

GoSecure Mailing Bag Strong Polythene 440mm x 320mm White (100 Pack)

GoSecure Mailing Bag Strong Polythene 440mm x 320mm White 100 Pack 411352 F
100
Pack
  • 100 durable, opaque mailing bags per pack
  • 440 x 320mm dimensions
  • Secure peel and seal closure for tight fit
  • Tear-resistant material protects contents
This item is out of stock

GoSecure Mailing Bag Strong Polythene 440mm x 320mm White (100 Pack)

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Polythene Envelopes - Secure & Reliable Mailing Solutions

Browse our extensive range of polythene envelopes, ideal for businesses and personal use. We offer a variety of sizes and strengths to suit all your mailing needs. From lightweight options for everyday correspondence to tamper-evident security envelopes and waterproof polythene mailing bags, we have you covered.

Choose from a selection of opaque and clear finishes, with options including peel and seal closures for added convenience. Our envelopes are available in various pack sizes – from smaller quantities of 20, up to bulk packs of 500 – offering excellent value for money.

Perfect for sending documents, invoices, statements, and more, our polythene envelopes provide a cost-effective and reliable solution. We stock a wide range of dimensions, including popular sizes like 220x305mm, 460x430mm, and 595x430mm.

Key Features:

  • Variety of sizes and strengths
  • Opaque & Clear options
  • Tamper-evident & Waterproof choices
  • Peel & Seal closures available
  • Bulk pack options for cost savings

Find the perfect polythene envelope for your requirements today!