SAVE ON POSTAGE WITH LARGE LETTER SIZE – Designed to fit within Royal Mail’s Large Letter size requirements, helping you avoid higher small parcel postage rates when your packed item meets the applicable size and weight limits. A cost-effective choice for businesses and regular senders.

IDEAL FOR DELICATE ITEMS – Made from strong single-wall E-flute corrugated cardboard, these protective postal boxes are ideal for shipping computer components, jewellery, small electronics, documents and other compact items that need extra protection during transit.

STRONG & ECO-FRIENDLY CARDBOARD – Manufactured from sturdy 32 ECT-E single-wall kraft corrugated cardboard, providing reliable protection for everyday mailing while being recyclable and a more environmentally-conscious packaging choice.

COMPACT 20 x 11.4 x 2.3CM SIZE – Outer dimensions are 20 x 11.4 x 2.3cm, with an approximate internal size of 19 x 11 x 2cm when assembled. The slim profile is designed for items suitable for Large Letter postage.

QUICK & EASY TO ASSEMBLE – Supplied flat-packed for convenient storage and easy handling. The boxes can be assembled in seconds without glue, staples or complicated tools. For added security, tape can be applied to hold the flaps firmly closed.

IMPORTANT POSTAGE LIMITS – For Royal Mail Large Letter postage, the packed box must comply with the current service requirements, including applicable maximum dimensions, thickness and weight limits. Do not overfill the box or exceed the maximum permitted depth. Check Royal Mail’s latest Large Letter requirements before posting.