Royal Mail Small Parcel Maximum Size Double-Walled Cardboard Box (External 449 x 349 x 159mm)

Royal Mail Small Parcel Maximum Size Double-Walled Cardboard Box (External 449 x 349 x 159mm) – Packs of 1, 5 & 10

Ship with confidence using our strong double-walled cardboard box, sized to match the Royal Mail Small Parcel maximum dimensions. Made from durable double wall corrugated board, it’s designed to protect your items in transit—ideal for eCommerce orders, gifts, returns, and everyday posting.

With external dimensions of 449 x 349 x 159mm, this box helps you make the most of the Small Parcel size allowance while keeping your packaging neat and professional.

Key features

• Strong double-walled corrugated cardboard for extra protection
• Royal Mail Small Parcel maximum size (always check your packed parcel and postage band)
• External dimensions: 449 x 349 x 159mm (L x W x H)
• Great for online orders, boxed items, bundles, kits, gifts & returns
• Supplied flat for easy storage and quick assembly

Pack sizes available

Choose the quantity that suits your needs:

• Pack of 1 – ideal for one-off parcels
• Pack of 5 – perfect for small weekly shipping
• Pack of 10 – great value for regular posting

Specifications

• External size: 449 x 349 x 159mm
• Material: Double-walled corrugated cardboard
• Type: Postal / shipping / parcel box