One for front wheel and the other one for rear.The shorter one for font wheel and the longer for for rear wheel.Suit for seatpost diameter less than 34mm of the various mountain bikeSuitable for mountain bike， road bike， folding bike etc.To solve the trouble of the rainwater.Quantity: 1 setColor: BlackMaterial: Synthetic plastic material， high strength.Shape: Swallow tailSize: Front Mudguard: 27.2 x 8.8cm/10.71" x 3.46" (Approx.) Rear Mudguard: 39.5 x 9cm/15.55" x 3.54" (Approx.)Note:1) Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!2) Pls allow 0.5cm error due to manual measurementPackage Includes: 1 ¡Á Front Bicycle Mudguard1 ¡Á Rear Bicycle Mudguard1 ¡Á Set of Installation Gadgets