nylon BIKE COVER The exercise bike cover uses durable material with a water-resistant laminated undercoating. It is designed to keep your equipment dry and clean by protecting it from rain, wind, sun, snow, dust, dirt, birds, and wet leaves. WINDPROOF AND DRAWSTRING An adjustable drawstring around the bottom provides a snug fit to prevent the cover from being blown away by strong winds. Suitable for indoor and outdoor use. MATERIAL AND DURABILITY Made from high-density 210D Oxford fabric with a PU coating and a water-resistant laminated undercoating. High-density stitching enhances robustness, helping protect your fitness equipment from the elements, household dirt, pet hair, and debris. FIT AND SIZE Size: 48 inches long x 23 inches wide x 56 inches high (48"L x 23"W x 56"H). Designed to fit most upright exercise bikes, spin bikes, and gym bikes. Please measure your bike dimensions carefully before purchase. USE SCENARIOS - Outdoor storage on a porch, balcony, or patio to shield against rain, snow, and leaves. - Indoor storage in a garage, basement, or home gym to protect from dust, dirt, and pet hair. - Temporary coverage during gym transport or facility maintenance to keep equipment clean and ready for use.