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Posting products? Why not package your goods in our classic brown postal boxes.Supplied flat packed for convenient storage and easy to assemble, without the need for glue or tape. Made from FSC approved board, these mailing boxes are eco-friendly and 100% recyclable. We use micro-fluted corrugated cardboard made from high quality heavier weight paper, which provides excellent performance. You?ll find a wide range of cardboard box sizes, with many ideal for sending/storing smaller items. All our traditional brown postal boxes comply to the Royal Mail small parcel sizing requirements. For letterbox friendly boxes, click here.