Product Details
Product Information
Our 9 x 12 inch grey mailing bags are manufactured from durable 60 micron (60mu) polythene, providing a strong, lightweight and cost-effective solution for posting and shipping a wide range of products. Featuring a permanent 50mm self-seal adhesive strip, these poly postage bags create a secure, tamper-evident closure without the need for additional tape, helping to speed up packing and dispatch. The opaque grey finish conceals the contents for added privacy while protecting parcels from dust, moisture and dirt during transit.
Ideal for eCommerce businesses, online retailers, warehouses, offices and home sellers, these self-seal mailing bags are perfect for sending clothing, documents, books, magazines, paperwork, fabrics, accessories and other medium-sized items. Their smooth exterior is suitable for adhesive address labels and can also be written on with permanent marker pens for quick parcel identification. Supplied flat-packed, these courier bags are lightweight, space-saving and easy to store until needed.
Features:
- Manufactured from strong 60 micron (60mu) grey polythene
- Permanent 50mm self-seal adhesive strip for fast and secure sealing
- Lightweight, waterproof and tear-resistant mailing bags
- Opaque grey finish keeps parcel contents private during shipping
- Suitable for posting clothing, books, documents, magazines, fabrics, accessories and other medium-sized items
- Smooth surface accepts shipping labels, stickers and permanent marker pens
- Ideal for eCommerce businesses, online sellers, warehouses, offices and everyday postal use
- Supplied flat-packed for convenient storage and efficient packing
Bag Size:
- Opening: 9" (228mm)
- Length: 12" (304mm)
- Self-seal lip: 50mm
- Thickness: 60 micron (60mu)
Whether you're dispatching customer orders, mailing business documents or sending everyday parcels, these 9 x 12 inch grey mailing bags provide a reliable, professional and economical packaging solution for postal, courier and eCommerce applications.
Frequently Asked Questions
What's the difference between grey and blue metallic mailing bags?
Grey mailing bags are made from 60 micron polythene, offering a strong, everyday option for general postal use, while blue metallic bags use 55 micron polythene with a vibrant metallic finish and black inner lining, giving parcels a premium, eye-catching appearance while keeping contents fully concealed.
What size mailing bag do I need?
Our grey mailing bags range from 6x9" up to a large 34x42", while our blue metallic bags range from 6x9" up to 20x29" — choose based on the size of the item you're shipping, from small accessories up to clothing and larger parcels.
Are mailing bags waterproof?
Yes, both our grey and blue metallic mailing bags are waterproof and tear-resistant, protecting contents from dust, dirt, and moisture during transit.
Do mailing bags have a self-seal strip?
Yes, our mailing bags feature a permanent self-seal adhesive strip (50mm on grey bags, 40mm on blue metallic bags), creating a secure, tamper-resistant closure without needing additional tape.
What items are mailing bags suitable for?
Our mailing bags are ideal for clothing, books, documents, jewellery, cosmetics, accessories, toys, and other small to medium non-fragile items, making them a popular choice for eCommerce businesses and everyday postal use.
