Safe and practical design: The bike cover has a keyhole design in the front wheel area, allowing the use of a covered bike lock to prevent bike theft. The bottom double seam elastic hem and specially designed clasps ensure a comfortable fit and stay safe on windy days. Durable and Waterproof: Outdoor bike cover waterproof is made of waterproof 210T nylon material with PU and UV coating to protect the bike from dust, dirt, sun, rain, UV and pollutants. Keep your bike fresh for a long time. Easy to use: The bicycle tarp is designed to be flexible and easy to install. Just throw it away, fasten your seat belt, and you're done. Measuring 79 x 43.3 x 33 inches, it is ideal for most bikes with wheel sizes up to 29". Ideal for mountain biking, road cycling, beach cruisers and mopeds. (Please measure your bike before ordering.) Portable and convenient: The bike cover waterproof storage bag folds into a compact size and is easy to attach to a bike bar with a carabiner or neatly placed in a basket, making it easy to carry while riding.