This slim, A3 archival box is perfect for presenting and storing prints, photographs and any other flat artwork together. It is available in 2 sizes (A3 and A4) to suit the needs of various projects, and has a relatively slim depth of 25mm. The box is fully lined and acid free, so you can store your work inside it for long periods of time without worrying about damage or yellowing occurring to it. It is made of high quality card, with a charcoal-coloured Wibalin paper finish, for a professional and sleek look. The A3 Box can fit content up to 318 x 440mm. - Acid free: Yes - Brand: Seawhite - Page size: Up to A3 - Depth: 25mm - Colour: Charcoal - Rigidity: Rigid - Main material: Card, with Wilbalin paper finish - Opening type: Removable lid