This high quality A3 storage and presentation box, made by trusted brand Teloman, has been designed to safely hold artwork, photographs and more. The box is made from acid and chlorine free materials and is museum quality, ensuring you can store your work in it over a long period of time without worrying about damage or yellowing occurring. It opens flat which allows for convenient and professional-looking presentation of your work. The boxes are black lined and have an internal depth of 37mm, giving you plenty of space to store your work. They are available in 4 sizes (A4, A3, A2 or 11 x 14 inches), to suit your specific needs. - Acid free: Yes - Product dimensions: 42 x 29.7 x 3.7cm - Brand: Teloman - Page size: A3 - Depth: 37mm - Colour: Black - Opening type: Hinged, clamshell design