SBR/CR neoprene sheet fabric durablity, excellent stretch, waterproof thickness ... material is with excellent stretch and more resistant than natural rubber to water, oils, solvents and heat.Dimension:51"*130" ... (the size is adjustable)The neoprene sheet is made of SBR, SCR and CR.Laminated polyester or nylon or other cloth ... than always willing to assist you at your convenience. synthetic rubber sheet