Integral lid and double reinforced sides. Suitable for A3 sized flat or low profile items Secure edge protection & locking flap closure. Single wall rigid corrugated board, Kraft finish.

These A3 flat boxes are manufactured from single wall rigid flute corrugated board. The integral lid and double reinforced sides offer durable protection for your goods. Locking flap closure for quick assembly and easy to open cutaway finger hole. No need for glue or tape, when closed the box provides good edge protection. Available in brown and white Kraft finishes. These flat postal boxes are suitable for sending flat A3 size paper, printed documents and other low profile products. Delivered flat packed for easy assembly. All dimensions are internal mm.

See our discounts for 2 or more packs. Size and shape options Perfect to contain A3 sized items these flat boxes measure 430x310mm (internal LxW) and are 50mm in height. Weights and limits Double reinforced sides and great all round edge protection. Materials Manufactured from single wall rigid flute corrugated board. Environmental information RAJA postal boxes are 100% recyclable. On average our boxes are made from a minimum of 75% recycled fibres. Delivery information Delivered flat-packed in packs of 50.