600D Waterproof Material: - The exercise bike cover is made of 600D Oxford cloth, double-sided stitching, thick and wear-resistant, each yarn is made of 600 high-density yarn, which can completely solve the problem of water seepage. Sturdier than 180T and 190T materials, tear and abrasion resistant, snow, ice, waterproof, dustproof and prevent bike scratches. Windproof : - With drawstring on the bottom and can make the bike cover windproof and firmly install on the exercise bike to protect the exercise bike. The indoor bike cover is made of 600D Oxford, which is thick and can effectively withstand heavy rain and strong ultraviolet rays in spring and summer. Universal Size: Unfolded product dimensions: 65x 28x 72.8 inch