Material:Cardboard Feature:1.They are the Flat package,pls note that before you buy. 2.Can display necklaces,bracelets & rings. Note:They are on sale,pls don't expect they are in good condition,the cardboard is thick,for the first use,they can't close properly,that is the reasone why we sell them so cheap,we don't accept return/refund for the above reason,pls note that before you buy,thanks! Size:17.5x18x4.5cm