12.5x17" Grey Mailing Bags – Strong Waterproof Parcel Mailers
When you’re running an online store or regularly shipping products, packaging is more than protection – it’s part of your brand. The 12.5x17" Grey Mailing Bags (320x440mm) from Storage & Removal Boxes offer the perfect blend of durability, professionalism, and eco-friendly practicality for everyday dispatches.
Reliable Protection for Every Shipment
These grey mailing bags are crafted from high-strength, co-extruded polythene that’s both waterproof and tear-resistant. They safeguard your goods from rain, dust, and rough handling throughout the delivery journey. Whether you’re shipping clothing, books, or soft furnishings, these bags keep your items clean, dry, and secure.
Ideal Size for Medium to Large Parcels
At 12.5x17 inches (320x440mm), this mailing bag size is extremely versatile. It’s perfect for packing hoodies, jeans, catalogues, small electronics, or boxed gifts without adding extra bulk or weight. Retailers love this size for its balance between compactness and spacious capacity, helping reduce shipping costs while maintaining excellent presentation.
Professional Look, Every Time
The smooth matte grey finish gives your parcels a clean, uniform appearance – great for businesses aiming to keep branding consistent across their shipments. The grey tone also helps conceal contents for added privacy, offering a polished alternative to clear or white packaging.
Self-Sealing and Time-Saving
Each bag comes with a strong self-adhesive strip that makes packing quick and hassle-free. Just peel and seal – no tape required. The adhesive creates a tamper-evident closure that secures your goods firmly, reducing the risk of accidental opening during transit.
Lightweight and Cost-Efficient
Thanks to their lightweight material, these mailing bags help you save on postal costs without compromising protection. They’re also recyclable in most UK facilities, making them a responsible choice for environmentally conscious businesses.
Why Experts Prefer Buying from Storage & Removal Boxes
Packaging experts and small business owners across the UK choose Storage & Removal Boxes for our quality-driven selection and fair pricing. Every product is carefully sourced and tested to meet the real-world needs of online sellers, removal specialists, and retailers. We focus on dependable packaging solutions that help your business deliver safely, efficiently, and affordably.
- Durable, waterproof, and tear-resistant material
- Strong self-seal adhesive strip
- Lightweight to reduce postage costs
- Opaque grey design for privacy
- Eco-friendly and recyclable material
Common Uses
These 12.5x17" grey mailing bags are commonly used by:
- Online clothing retailers (t-shirts, jeans, jackets)
- Bookstores and stationery suppliers
- Subscription box services
- Gift shops and eBay/Amazon sellers
With reliability, style, and strength in one package, the 12.5x17" grey mailing bag is the go-to choice for UK businesses that want their parcels to arrive safely and professionally every time.
