... ± 10g/m2 (the selectable 190----650g/m2) Material: Nylon + TPU Yarn Density: 210D (selectable 210D, 420D) Color: blue (according to ... new European environmental 6P and so on. Purposes: the oxygen bag, medical inflatable pillow, medical air mattress, raincoats, rain pants, ... bags, tents, water bag, water pants, Liangdian, inflatable pillow and so on. Note: ...