This pack of 5 White A3 Foam Boards by Cathedral can be used across many different industries. The size of the boards are A3 and they measure 5mm in thickness, helping to keep everything you mount on it flat and secure for when you have to present and display your work. This pack of foam boards are recyclable and eco-friendly as they are acid free, they are suitable for many different professional and creative applications. Ideal for mounting artwork you need to keep secure and pristine, also the foam boards are rigid enough to be used in model making and many other pursuits. Every board contains acid-free paper which is PH-neutral, non-toxic and made from recyclable polystyrene. They are a fantastic choice for artists, students studying art or design, paper and card craft projects, model makers, typographers and many more. Foam boards can even be used for completing jigsaw puzzles due to their sturdy flat surface. - Brand: Cathedral Products - Pack of 5 - Size: A3 - Colour: White - 5mm thickness - Eco-friendly - Recyclable - Acid Free