Flascheguard fenders are made from end-of-life water cooler bottles and use up to 75% less crude oil than virgin polycarbonate 3.2mm 100% Recycled stainless steel support stays Matte finish has the look of alloy, but won�t dent or bend, and has a more durable finish Glossy inner layer finish resists dirt and grime build-up Extended fender lengths and duckbill mud flaps keep feet dry, and eliminate rear spray Support stays spaced for maximum stiffness and frame compatibility Compatible with a wide range of suspension fork, disc brake, and thru-axle equipped bikes Sold pre-assembled for quick mounting Pair MTB 27.5` x 70mm Polycarbonate Stainless Steel Matte Black 27.5` x 2.35` 850g