Size and compatibility - Large cover: L74.8 x W25.59 x H38.58 inches; suitable for one bike. - Extra-large cover: L78.7 x W27.6 x H43.3 inches; ideal for two bicycles or a motorcycle cover Upgraded material and protection - Made of tear-resistant Oxford fabric - Coating provides sun-proof, UV resistant, heat-insulated, and cooling properties to cope with complex weather and comprehensively protect your bicycle Anti-theft and security - Rear windproof buckle helps prevent wind dispersion and is easy to use - Front aluminum ring lock is stainless - Inner diameter of the ring lock is 1.57 inches - The chain lock can be easily fixed to enhance anti-theft protection Convenience and storage - Storage bag with Velcro can be fastened to the bicycle beam or neatly placed in the basket during travel - Folds to a portable size for easy transport and can be stored in the storage bag when not in use Use scenarios - Urban daily use: protect a single bike from rain, sun, and dust while commuting; store the cover compactly when not in use - Home or shared garage: extra-large size accommodates two bikes or a motorcycle, providing weather protection and a deterrent for theft - Outdoor trips and long-term storage: anti-theft features and durable material endure varying conditions; easy to pack and carry in its storage bag