... material 2.nontoxic,soundproof. 3.size,density upon demands. cork sheet1. nontoxic and eco-friendly material,not only widely used ... decorative material but also used as basic material of other cork gifts,cork toys.2. different density,granule for choice,mould size ... discussed as well.3. soundproof,water-proof,installed below lamilate floor as underlayment can make flooring used longer.4. some other ...