Waterproof Material - Exercise bike covers are made of high-density durable Ox 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 securely in place on the windiest 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. Open the cover, place it over the machine, and tighten the drawstring. Can be handled by one person. Easy to Clean & Store - When the bicycle cover is dirty, rinse it directly with water or soak it 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 Ox Cloth. Quantity: 1 piece spinning bike cover.