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Strong, recyclable paper mailing bags for eCommerce and retail. A plastic-free alternative to poly mailers with reliable peel & seal closure, optional return strip, and sizes for apparel, books and soft goods.
Plastic-Free Recyclable Peel & Seal Return Strip* Tear-Resistant Kraft
Build a complete pack with ColomPac Book Wraps, Cardboard Envelopes, Single Wall Boxes, Double Wall Boxes, Printer Address Labels and Documents Enclosed Wallets.
Durable kraft paper post bags designed for courier networks. They arrive flat, pack fast and protect soft or boxed goods with a neat, brandable surface. Most feature a peel & seal strip and optional second strip for easy returns.
Recyclable & plastic-free: easy end-of-life in kerbside paper streams.
Premium look: kraft finish pairs well with tissue, cards and apparel.
Operational ease: fast sealing, stack neatly, simple SKU management.
Apparel & soft goods: tees, knitwear, textiles—bag the garment, add a documents wallet and label.
Books & media: use with book wraps or board envelopes for corner protection.
Beauty & gifts: tissue-wrapped items, small cartons—smart unboxing without plastic.
Returns-friendly brands: choose dual-seal bags to simplify customer returns.
| Bag size (W × L, mm) | Paper spec | Closure | Best for | Notes |
|---|---|---|---|---|
| 250 × 350 | 90–120 gsm kraft | Peel & Seal | Tees, small books, cosmetics | Compact; add tissue for presentation |
| 305 × 405 | 120–140 gsm kraft | Peel & Seal + Return | Jumpers, boxed skincare, print | Popular all-rounder; returns-ready |
| 380 × 500 | 140–170 gsm kraft | Peel & Seal + Return | Hoodies, multiple tees, soft homeware | Step up thickness for heavier loads |
For rigid protection, see cardboard envelopes and book wraps. For bulkier items use single wall or double wall boxes.
Right-size: choose a snug fit to prevent creasing and label lift.
Layering: wrap items in tissue or a light poly inner for dust control (if required).
Support: add a cardboard sheet as a stiffener for flat goods.
Printer Address Labels for fast addressing, Documents Enclosed Wallets for paperwork, and Postal Envelopes for slim items.
For premium sets, pair with bottle boxes or ColomPac wraps inside the mailer.
Recyclable, brand-friendly and quick to pack. Best for apparel and soft boxed goods. Add a stiffener for flats.
Rigid protection for documents, prints and small books. See board envelopes.
Edge and corner protection for books, vinyl and media. Explore ColomPac Book Wraps.
Kraft mailers are splash-resistant, not fully waterproof. For extra protection, add a tissue or clear inner bag around the product.
Yes—mailers can be over-labelled or custom printed (MOQ dependent). As an alternative, use branded address labels or stickers.
90–120 gsm suits tees and light knitwear; 120–170 gsm for hoodies or multiple garments. Use a stiffener to keep parcels flat.
Many ranges include a second glue line for returns. If not, add a dispenser label or tape for customer returns.
Paper mailers are plastic-free and widely recyclable in kerbside paper streams, simplifying disposal for customers.
Use book wraps or board envelopes for rigid edge protection; paper mailers can outer-pack those items if desired.