Single Wall Slim Cardboard Boxes 18″x12″x3″ (457 x 305 x 76 mm)

Single Wall Slim Cardboard Boxes 18″ x 12″ x 3″ (457 x 305 x 76 mm) are strong brown corrugated cardboard boxes designed for posting, packing, shipping and storage, especially for flatter items. Made from quality B-flute corrugated board (approx. 3mm thick) for a sturdier wall, these slim parcel boxes are supplied flat packed to save space and assemble quickly—ideal for ecommerce dispatch, Royal Mail parcels and courier deliveries.

Internal dimensions: 18 x 12 x 3 inches (457 x 305 x 76 mm). Perfect for packing documents, printed materials, books, clothing, calendars, boxed items and flat products, helping keep contents protected and presentable in transit.