[400J 1pcs_6 Ribs]
Thicker and harder material, very durable.J(inch)=X*25.4=PJ(mm)400J = 40" *25.4 = 1016mm = PJ1016410J = 41" *25.4 = 1041mm = PJ1041Material : Black RubberPackage Included:1 x Ribs Belt