40 Black 60 or 70A 50 30 Polyurethane Sorbothane Sheet 1/8 Thick x 24 x 24,Sorbothane Sheet 1/8 Thick x 24 x 24 40 Black 60 or 70A 50 30 Polyurethane, Black,Polyurethane Sorbothane Sheet 1/8" Thick x 24" x 24", Polyurethane Sorbothane Sheet 1/8 Thick x 24 x 24 40 Black 60 or 70A 50 30.