Description Brown Single Wall Postal boxes in packs of 10 This box falls within the Royal Mail Small Parcel Option which states maximum external dimensions of 450mm x 350mm x 160mm. These boxes are ideal mulitpurpose boxes and are perfect for sending items such as Photo Frames and Books Our Postal Boxes are designed and manufactured onsite at our purpose made facilities here in the UK. Metric Dimensions: 435mm Length, 335mm Width, 70mm Height Approx. Imperial Dimensions: 17 inch x 13 1/4 inch x 2 3/4 inch Quantity: 10 Cardboard Box Style Code: 0426 Colour: Brown Please note: Photograph is for style illustration purposes only & may not represent the exact box proportions.