Top Best NFT Marketplace Platforms for Real Estate Industry Mxicoders Safety woodblock print 4 cuts 500x340x4. Safety woodblock print 4 cuts 500x340x4 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 formaldehyde "zero" Formaldehyde is said to be one of the causes of "sick house syndrome" in the building materials market, and is being considered as a bill to prevent it in the Diet. We recommend using safe flexible plywood for printmaking, taking into consideration children's health, etc. 5003404mm Main unit x 1 Surface: Shina, Core: Poplar