250g Postal Box Bottom Bags

Postal box bottom bags in a full 250g size

Your bestselling 250g bags, sized to ship smarter. These postal box bottom bags fit A4 mailers, so customers get letterbox delivery and you avoid the “sorry we missed you” card. Full retail size, postal-friendly dimensions. In stock and shipped fast from our UK warehouse, with next-day UK delivery, low minimum order and the option to buy online.

Most roasters default to standard 250g box bottoms, then realise they need oversized boxes to ship them. This bag fixes that — same premium format, courier-friendly sizing.

Perfect for

• Subscription services – full 250g portions through the letterbox
• Online retail – reduce shipping costs and failed deliveries
• Gift orders – fits alongside cards or extras in one mailer
• Wholesale samples – professional presentation for trade customers

Specifications

Why UK roasters choose these

• Letterbox-friendly – fits A4 mailers, cuts failed deliveries
• Recyclable materials – EVOH-PE / White PE, kerbside recyclable
• Degassing valve – releases CO2, keeps oxygen out, preserves freshness
• Smooth matte finish – premium feel in black or white
• Stable box bottom – stands upright in the box and on the shelf

Frequently asked questions

What mailer size do these 250g postal box bottom bags fit?

They’re designed for A4 postal boxes (around 320mm x 220mm x 46mm internal), keeping full 250g portions letterbox-friendly.

Are they recyclable?

Yes — EVOH-PE / White PE material, kerbside recyclable and Plastic Packaging Tax-friendly.

What colours are available?

Matte white and matte black, both with a degassing valve and resealable zip.

How fast is delivery?

In stock in our UK warehouse with next-day UK delivery on orders placed online before the cut-off.