1. Nylon2. Waterproof Bike Cover - The exercise bike cover is equipped with waterproof material and waterproof laminated bottom coating, which can protect against rain, wind, sun, snow, dust, dirt, birds, wet leaves, etc. Keep your fitness equipment dry and clean!3. Windproof and Drawstring - The adjustable rope at the bottom can fit the cycling cover tightly, ensuring that the fixed bike cover will not be blown away by strong winds. Suitable for indoor and outdoor use.4. High-quality material - High-density 210D Oxford cloth, sun-proof, with PU coating. High-density stitching is stronger. The peloton bike cover can protect your fitness equipment from these elements, household dust, pet hair, debris.5. Universal - The size is Length 123*Width 58*Front Height 142*Back Height 113cm, universal to most upright exercise bikes, spinning bikes, peloton bikes and fitness bikes. Please measure carefully before purchasing the size of the fitness bike.