Top 10 Mail Bags Large Letter UK – Packing Materials

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1. JeeJaan

50 Purple Courier Mailer 12 x 16 in Mailing Bag Poly Large Letter Bags 300 x 400 mm

JeeJaan - Pack of 50 purple Mailing Bags Trusted JeeJaan brand. Material: quality Ploy Plastic which gives resistance to punctures/tearing. Usage: ideal for postal Postage Packaging Courier Mail Pouch Sacks. Sizes: width x length: 12”x 16” approx. Self-seal flap Strong Strip which provide extra safety.
Part NumberJJ50PPMB

2. All-Pack Solutions

50 Pink Plastic Mailing Mail Post Postage Bags 10 x 14

All-Pack Solutions - Grade of film: 50 micron / 200 Gauge. Guarantee: 14 day money back guarantee. Colour: Pink. Quantity: 50 Dimensions: 250mm x 350mm 10" x 14".
BrandAll-Pack Solutions
Height40 cm (15.75 Inches)
Length25 cm (9.84 Inches)
Width0.1 cm (0.04 Inches)
Part NumberCMBP0250

3. JeeJaan

50 Pink Postage Bags 12 x 16 in Poly Mailer Large Letter Bags 300 x 400 mm

JeeJaan - Sizes: width x length: 12”x 16” approx. Material: quality Ploy Plastic which gives resistance to punctures/tearing. Pack of 50 pink mailer Bags Trusted JeeJaan brand. Usage: ideal for postal Postage Packaging Courier Mail Pouch Sacks. Self seal flap Strong Strip which provide extra safety.
Part NumberJJ50PINKMB

4. Sabco

Mailing Bags – Self Adhesive, 50, Waterproof and Tear-Proof Postal Bags – Small to Large Sized Grey Plastic Mailing Mail Post Postage Plastic Bags 9 x 12", Sabco

Sabco - These bags are manufactured from 50-60 microns thickness 220 -240 gauge while using the co-extrusion process that means a more durable product is formed that combines two textures- one material is extruded and continuously filled with another to form a single product. Besides, to your customers, sealed, to mail out your goods and items, these mailing bags are made of opaque materials and are best for business and private use, and settled, safely and securely.

These poly mailer bags are thick and strong enough for shipping soft-goods, yet these are light enough to save you some money on weight while shipping. The peel-off seal is a quick seal that requires no water or licking. Our mailing bags feature 3 layers of polythene film into one making them very robust, and durable. Durable and water proof: our grey postage bags are a wonderful choice owing to their high-strength design. These are designed to keep the contents secure against moisture, opaque, chemicals, puncturing, tampering, and tearing as these are made strong enough to withstand the rigours of the shipping process.

Available in a range of sizes for all your needs from extra small to extra large. Produced using co-extrusion technology. Ensure confidentiality: our mailing bags are tamper-evident and once the self-adhesive strip is peeled, family or friends, the bag is permanently closed and concealed. Cost-effective: our postal bags are extremely lightweight and have a sticky peel-off strip that saves your time and shipping cost.
Part Numbergrey mailers

5. KNT

50pcs White Postal Mailing Bags/Polythene Envelopes,Large Letter Size 10"x14"

KNT - Suitable to use self-adhesive address labels/stamps, document enclosed wallets, pens etc. On surface. Peel and seal, permanent self-adhesive strip. Tear & puncture resistant, Waterproof & Burst Proof, Recyclable. Approx. 10"x14”+2" flap/ 25. 5cm x 36cm +5cm Flap. 100% opaque two tone--white exterior & black Interior with Printed Details"Cut to Open", size, EAN bar code, etc.

6. Calzette

Large Mailing Bags Extra Strong Grey Mail Envelopes for Packaging Clothes Parcel Self Seal Poly Storage Bags 24"x 36" 3

Calzette - P> multipurpose- ideal for business and private use, to mail out your goods and items, family or friends, to your customers, in a safe and secure way. P> waterproof and strong  - strong and durable material is hard to tear and waterproof, which protects your shipment perfectly.

In addition, the plastic is odourless, so you can send clothes or other items with high odour absorption in it. Br> . Produced using co-extrusion technology and manufactured from 50-60 microns thickness 220 -240 gauge. P> lightweight- extremely lightweight allowing you to minimise postal costs. Just pack your contents, peel and then seal, done!   The bag is permanently closed. Fast and secure!.

P> large postage/ storage bags - 24" x 36" 61cm x 92 cm - allows to put inside large items like pillows, blankets, clothes or hand luggage size 22" x 18" x 10" 56 x 45 x 25 cm. Compresses 3 layers of polythene film into one making them very robust, opaque, and durable. Br> . P>  self adhesive closing - these mailing bags incorporate a permanent self-seal closure with strong all season glue. Also perfect for storage. P>.
Part NumberMB2436


50 Grey Colour Plastic Polythene Peel + Seal Mailing Postal Bags Large Size 12 x 16" / 305 x 405mm Self Seal Packing Packaging Postage Mail Sacks Envelopes Mailers

UKPS - Just pack your contents, done! size of bag stated in item title is inches and millimetres, peel and then seal, and reads width opening end of bag x HEIGHT of bag.

Made from a quality 100% virgin polymer, these bags are not the same as the 'cheap' mailing bags on the market, which come complete with the 'smoky' odour. Ideal for business and private use, to mail out your goods and items, to your customers, family or friends, in a safe and secure way. The height of bag does not include the self seal lip, which is approx 40-50mm, in addition to the stated height of the bag. Bag has a self sealing peel and seal adhesive strip. Thickness / strength of the plastic is approx 60 micron.
Part Number3355305260305

8. Calzette

Mail Postal Polythene Self Seal Bags- Clothes Delivery Packing 5, Large Plastic Postage Bag Large Size 17" x 24" 43cm x 60cm Grey Mailing Bags for Posting and Packaging Extra Strong Envelopes

Calzette - Strong and waterproof - our bags are strong and are perfect for sending ebay sales and clothing. We are here to listen to your needs and answer your questions. Satisfaction guaranteed - we believe in our product and we use them at home.

Large mailing bags- 17" x 24" 43 cm x 60 cm - it is a maximum size bags which can be used as Royal Mail Medium Parcel - you can fit large jacket, backpack, bag or buch of clothes. Your satisfaction is our priority! Please feel free to contact with us. Perfect sacks for office or private use. Recycled and non smelly- our supplies use recycled materials. Safe envelope with easy sealing - strong glue make bags sealable and very easy to use.

The quality is on highest level with extra help of reducing waste. You can fit there box with shoes or medium size royal mail package. However if you are not satisfied with the performance let us know and we will give you 100% refund after organizing return to amazon warehouse. They are good as postage bags for clothes as they are not smelling.
Part NumberMB1724


Small, Medium, Large Mail, 50 Grey Mailing Bags, Self Seal Strong Waterproof Poly Plastic Envelopes for Parcels, Packaging and Postage Boxes, Shipping Courier Delivery Bags 12x16"

KEPLIN - These plastic postage bags a suitable for use with any courier or for the purpose of storing items airtight, either for personal or business use. Incredibly sturdy yet lightweight, the 60 Micron thick structure is resistant to tearing or ripping, making these very hard to tamper with so your items should arrive with no issue.

100% polythene. Multipacks 25/50/100/300/500/1000 of strong grey mail postage bags, ranging from Small to Large 6x9 9x12 10x14 12x16 14x21 inch. With this superb closure your items are unaffected, keep our the wet, dirt and even air by sealing incredibly securely. High quality guarantee from a trusted UK retailer, we will happily deal with any inquiries or issues that you may have with this product! Fastening: Self-Seal. These are made from an opaque, grey 60mu film that affixes using a strong self-adhesive closure on the envelope lip.

10. GP Globe Packaging

25 x Strong Large Grey Mailing Postal Bags 17 x24" Mailers

GP Globe Packaging - These mailing bags incorporate a permanent self-seal closure and are made from an opaque 60 micron film. 25 x strong large grey mailing Postal Bags 17 x24" Mailers. 60mu thick. 425mm x 600mm.
BrandGP Globe Packaging
ManufacturerGP Globe Packaging
Height30.48 cm (12 Inches)
Length91.44 cm (36 Inches)
Weight0.68 kg (1.49 Pounds)
Width30.48 cm (12 Inches)
Part NumberAMZ_35R4G4_1603