Safety print beniyo large 450x300x4Safety print beniyo large 450x300x4 This is a safe plywood that uses adhesives that are completely formaldehyde free. The thick surface allows the original feel of woodblock prints to be fully expressed. Plywood is made by layering and gluing wood grains together. It is thin but does not warp, so it is widely used for printmaking and crafts. It is a double sided flexible plywood that is easy to color. Considering children's health Harmful substances