Waterproof Material - Exercise bike covers are made of high-density durable Oxford fabric with silver-plated undercoating and waterproof PU layer, providing excellent dustproof and UV resistance. It can effectively protect your treadmill or sports running machine from sunlight aging. Drawstring Design - The convenient elastic hem cord with adjustable toggle keeps the cover secure on windy days. Designed with a drawstring closure for a snug fit, preventing the cover from slipping or blowing off. Universal Fit - Our exercise bike cover fits most standard-sized exercise bikes. Compatible with multiple exercise bikes up to 65 inches in size. Easy to Use - A fitness air bike cover specifically designed for exercise bikes. Simply open the cover, place it over the machine, and tighten the drawstring. Can be done by one person. Easy to Clean & Store - When the bicycle cover is dirty, rinse it directly with water or soak in cold water, then hang to dry. Includes a black polyester storage bag. Fold and store the cover in the bag when not in use to save space. Weight: 400g, 600g Color: Black, Silver Material: 210D Oxford Cloth Quantity: 1 piece spinning bike cover