Girth Lw: 145' / 3683mm; Top Width: 0.63' / 16mm; Height: 0.43' / 11mm. The outside fabric wrap is treated with highly oil and heat resistant. Specially engineered, twisted, heat and chemically set, neoprene rubber material. The body rubber compound is a highly engineered synthetic rubber compound. Package Content: 1 x Transmission Drive V-Belt.