All-Weather Protection: YOTOM Bike cover efficiently protecting your bike against the elements: sun, rain, wind, snow, ice, hail, leaves, birds & spores ! More Durable: Made of 190D waterproof polyester with PU and UV coating protect bicycles from dust, dirt, sun, rain, UV and pollutants. Ultraviolet-proof up to 50+. Windproof Buckle Design: Special designed a buckle at the bottom to help stabilizing the cover, strap and buckle on the bottom keep the cover secure on windy days. Special Lock Hole Design: Designed with 2 lock-holes at the front wheel area that can be used with your bikes for a double security from bike theft while providing an adequate protection from adverse weather conditions. Bigger Size: Bicycle cover size: 79'' L x 34'' W x 43'' H, enough cover 1 or 2 bike up to 29" wheel size, suitable for most mountain bicycles, city bicycles, Road, Comfort, Hybrid, Cruiser.