Pink Mailing Bags 15×18" (381×457 mm) – Premium Strong Self-Seal Postal Bags for E-commerce Shipping
Pink Mailing Bags 15×18" (381×457 mm) – Premium Strong Self-Seal Postal Bags for E-commerce Shipping
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Pink Mailing Bags 15×18" (381×457 mm) made from 60 µm, 100 % recycled LDPE (code 4). These premium self-seal postal bags are moisture-proof / water-resistant, fully opaque and designed for larger fashion and boutique parcels. Trusted by UK online sellers and fulfilment teams shipping daily across eBay, Amazon and Shopify.
Bright pink adds a bold, stylish finish to larger orders while keeping packaging light and eco-conscious.
Not the size you need? See all Pink sizes.
Strong 60 µm Eco Postal Bags – Pink 15×18"
Made from durable co-extruded recycled film for superior tear and puncture resistance, these pink mailing bags give a standout look while maintaining full opacity for privacy. The peel-and-seal strip provides a permanent, tamper-evident closure ideal for heavier e-commerce dispatches.
Why this 15×18" size?
15×18" suits coats, sweatshirts, boxed gift sets and multi-item orders. It’s the go-to size for fashion, lifestyle and gifting brands that want their packaging to reflect quality. The larger footprint handles bulky textiles and still fits within common courier size bands.
Real use examples
- Coats, jumpers, hoodies or layered apparel
- Medium boxed gift sets or product bundles
- Multiple clothing items in one shipment
- Subscription boxes and seasonal packs
Fit & packing guidance
Best fit up to approx. 355×430×70 mm. Step down to 12×16" for slimmer orders; step up to 17×22" for bulkier or boxed goods. Press out air before sealing and fold corners neatly to maintain parcel shape.
Key benefits
- Strong self-seal – tamper-evident, permanent bond
- 60 µm film for extra tear & puncture strength
- Moisture-proof / water-resistant – reliable protection in transit
- Opaque pink finish – enhances brand appeal
- 100 % recycled LDPE (code 4) – eco-responsible material
- Lightweight – reduces postage compared with boxes
Available pack sizes
- Pack of 100 – boutique or small-volume dispatch
- Pack of 300 – regular online sellers
- Pack of 500 – busy multi-channel stores
- Pack of 1000 – bulk saving for fulfilment teams
Specifications
| Size | 15×18" (381×457 mm) |
|---|---|
| Film thickness | 60 µm |
| Material | LDPE (code 4), 100 % recycled |
| Closure | Peel-and-seal, permanent bond |
| Colour | Pink, fully opaque |
| Water protection | Moisture-proof / water-resistant |
| Recyclability | Soft-plastic LDPE collection (code 4) |
Eco & materials
Produced using 60 µm co-extruded recycled LDPE. Low carbon footprint, yet strong and flexible. Not biodegradable or compostable; recycle through supermarket carrier-bag return points.
Strength & protection
The thicker film gives a smooth, tough surface that resists tearing and abrasion. The adhesive strip ensures a tamper-evident seal that stays shut throughout delivery. Perfect for protecting branded clothing or retail boxes.
Storage & performance
Store flat between 13–21 °C. Allow acclimatisation if stored cold to ensure the adhesive performs perfectly.
Lightweight = Lower Postage
Mailing bags save significant weight compared with boxes, helping your parcels stay within cheaper courier and Royal Mail bands.
Size comparison
| Option | Size (in + mm) | Typical fit |
|---|---|---|
| Step down | 12×16" (305×406 mm) | Hoodies / jeans / small boxes |
| This page | 15×18" (381×457 mm) | Coats, jumpers, multi-item orders |
| Step up | 17×22" (432×559 mm) | Bedding / large bundles / bulkier boxes |
Packing tips
- Fold garments neatly to maximise space
- Press out trapped air for flatter parcels
- Pad any sharp box edges
- Attach a document wallet for paperwork or invoices
Related sizes & essentials
Same-colour sizes: 12×16" • 17×22" • 10×14"
Useful ranges: Mailing Bags • Document Wallets • Packaging Tape • Cardboard Boxes
Order today for fast UK delivery and bulk discounts on larger packs.
Frequently Asked Questions
Are these pink mailing bags eco-friendly?
Yes – made from 100 % recycled LDPE (code 4) and recyclable at soft-plastic return points.
Can I reuse them?
They’re designed for one secure dispatch, but can be repurposed for storage or returns if opened carefully.
Are they waterproof?
No – they’re moisture-proof / water-resistant, protecting against rain and damp in transit.
What fits in a 15×18" mailer?
Perfect for coats, jumpers, multi-item clothing orders and boxed gifts. Step up to 17×22" for bulkier shipments.
Do you offer bulk discounts?
Yes – pricing drops per unit as pack size increases. Ideal for small businesses and warehouses.
Royal Mail 24 Tracked
Dispatched same day if ordered before 5 pm Monday to Friday. Please allow up to 1-2 days for delivery.
£1.99
DPD Next Day
Dispatched same day if ordered before 3 pm Monday to Thursday. Not available to Scottish Highlands & Islands.
£4.99
Free on orders over £100