... hot double wall paper cups 1,grade A food paperboard, PLA lined i2,nsluated hot 3,no leaking 8oz insulated hot double wall paper cups1) ... material: high quality good grade paperboard,PLA lined2) Size: 4oz,8oz, 420ML, 360ML, 254ML,250ML, 16oz, ... levels.Raw materials used are poly coated paper (food grade) , printing inks of flexo 8oz insulated hot double wall paper cups