neoprene sheet: neoprene, safety eco-friendly standard size: 1.3*3.3 m or 1.2*2.2 m ISO 9001-2008 Neoprene sheet, SBR sheet, wetsuit material: neoprene detail as follow:color: black, beightneoprene smooth surface, T-texture surface are okstandard size: 1.3*3.3 mmaterial safety eco-friendly neoprene material widly used in wetsuit, notebook, shoes.