100× Blue Mailing Bags – a handy mixed pack of four sizes (10×14″, 12×16″, 15×18″ and 17×22″), 25 bags of each. Made from 60 µm, 100 % recycled LDPE (code 4), these self-seal postal bags are moisture-proof / water-resistant, opaque for privacy and built to handle daily online orders.

Trusted by UK eBay, Amazon and Etsy sellers – bulk discounts available.

Strong 60 µm Eco Postal Bags – Assorted Blue Sizes

This assorted set keeps every size on hand – from small items to bulky parcels. The co-extruded 60 µm film prevents tears and punctures, and the permanent peel-and-seal adhesive saves taping time. The bold blue finish adds a clean, professional edge to every parcel.

What’s in the pack (25 of each size)

Why choose a mixed pack?

• Ready for any order – four popular sizes suit most parcels.
• Lower waste + void space – always use the right fit.
• Faster dispatch – no hunting for the correct bag size.
• Smarter spend – mix of sizes costs less than single packs combined.

Key features

• 60 µm co-extruded film – tear + puncture resistant
• Moisture-proof / water-resistant – protection in wet weather
• Self-seal, tamper-evident strip – no extra tape needed
• Fully opaque blue – privacy + smart presentation
• 100 % recycled LDPE (code 4) – eco and recyclable
• Lightweight – helps keep postage costs low

Who uses this pack?

Ideal for e-commerce retailers, marketplace sellers, fashion brands, craft stores and subscription services needing dependable packaging that still looks stylish.

Eco & Materials

Made from 100 % recycled LDPE (code 4), these bags can be recycled at supermarket soft-plastic collection points. Not biodegradable / compostable. Designed to reduce waste without sacrificing performance.

Storage & Performance

Store flat between 13–21 °C and out of direct sunlight. Allow cold stock to reach room temperature before sealing for best adhesive performance.

Bench & packing tips

• Organise small → large (left to right) on your bench.
• Pad inner-box corners to avoid punctures.
• Press out air for flatter parcels and clean labels.
• Use document wallets and packaging tape for finishing.

Why choose Blue?

Blue mailing bags project a neat, dependable look that suits fashion brands, tech accessory sellers and eco-conscious retailers alike. They give your packaging a professional feel without expensive custom print.

Related collections & sizes

Single sizes: 10×14″ • 12×16″ • 15×18″ • 17×22″
Explore more: Mailing Bags • Document Wallets • Packaging Tape • Cardboard Boxes

Order today for fast UK dispatch and bulk savings on trusted eco packaging.