Made of poly-material, so even if the surface gets wet from rain, the contents will not get wet. Comes with a strong one-touch tape that allows for easy packing, improving your work efficiency. Durable thick 80 microns for improved quality and sensitivity. Triple film, white on the outside, black on the inside. ☆Click Post DM Service Yu-Mail Yu-Packet Size Available! Size: (Width) 9.8 inches (250 mm) x (Height) 1.6 inches (340 mm) (Lid) 1.6 inches (40 mm) Material: LDPE plastic bag; Thickness: 80 microns; Color: Light gray on the outside and black on the inside. *Colors may vary slightly depending on your monitor etc. Please acknowledge