3 x Royal Mail Large Letter White Plastic Postal Boxes Mailing Box 8 X 8 Post Proof Each box measures approx 8 1/2 x 8 1/2 x 1 7/8 inches These boxes ship as a Large Letter via Royal Mail (Contents & Box must weigh under 750g) Perfect for decoupage cards Tough impact resistant box No need to add outer packaging Pack the box, secure it closed with tape and apply the address label and postage Reuseable and recyclable White in colour so contents are not visible UK manufactured Also great to store craft paper These boxes do not nest The box weighs 180g empty