The Postal Letterbox Box (306mm x 220mm x 20mm) is designed for sending larger flat items through the post while still fitting through standard letterboxes. Manufactured from durable corrugated cardboard, this box offers reliable protection while remaining lightweight and easy to pack.

Its slim design allows parcels to be delivered directly through the letterbox, helping to reduce missed deliveries and improve convenience for customers. Quick and easy to assemble, these boxes are ideal for efficient packing in busy e-commerce and fulfilment environments.

Perfect for online retailers, subscription services and fulfilment centres, this letterbox box is suitable for shipping items such as books, magazines, documents, stationery and other flat products.

Key Features

• Internal size: 306mm x 220mm x 20mm

• Designed to fit through standard letterboxes

• Strong corrugated cardboard construction

• Lightweight yet durable for dependable protection

• Quick and easy assembly for efficient packing

• Ideal for books, magazines, documents and flat products