Ohuhu Bike Cover Waterproof Outdoor Bicycle Cover for Mountain and Road Bikes High quality 210T nylon, high density and durability. Strong and waterproof to protect your bike from rain, dust, sunshine and scratches. The silver material is UV-proof 40+. Specially designed buckle at the bottom stabilizes the cover on top of the bike, keeping it secure on windy days Dimensions: 78.7 x 43.3 x 27.5 inch ( 29" bicycles maxium). [Folds down to a compact size for traveling convenience.]