plastic cookie tray 1:Resistant to freezing 2:Used for packing cakes 3:Environment friendly.4:Material:PVC,PS,BOPS,PP, ... vegetable/fruitpackaging,cake packaging,salad container/tray,humberger packaging,blister or clamshell ; 2)Widely used for packing general products such as electronic, stationery ... feel free to contact us for more information; plastic cookie tray