1.Size - The dimensions of the front mudguard: 3.54 x 11.81 inches / 9 x 30 cm; the dimensions of the rear mudguard: 3.54 x 20.08 inches / 9 x 51 cm. 2.Material - The mud guard part is made of PP material. The metal connection is made of carbon steel. This mountain bike mud guard is heat-resistant, robust and features a windproof design to reduce wind erosion. 3.Feature - This bicycle mudguard adopts widened semicircle design, which can effectively prevent mud splash, keep away from mud and rain, keep dry and clean. These MTB mud guards are easy to wash. Thickened material prevents any damage in any situation. Enjoy your bike riding easily. No more worrying about the weather. 4.Application - Fit for most mountain bikes,universal for 20',26',27.5',29' bikes,fat tire bikes,gravel bikes and so on.