The Postal Letterbox Box (140mm x 90mm x 20mm) is a compact packaging solution designed for sending small, slim items through the post while fitting through standard letterboxes. Made from durable corrugated cardboard, this box provides reliable protection while remaining lightweight and easy to handle.

Its slim design helps reduce missed deliveries by allowing parcels to be delivered directly through the letterbox. Quick and simple to assemble, it is ideal for fast and efficient packing in busy e-commerce environments.

Perfect for online retailers, subscription services and fulfilment operations, this letterbox box is suitable for shipping items such as jewellery, small accessories, stationery, samples and other compact products.

Key Features

• Internal size: 140mm x 90mm 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