Made of tough PU-coated 600 denier polyester with durable water-repellent and UV-treated polyester Shrink-, stretch-, abrasion- and mildew-resistant Generous fit fully covers tires Double stitched hems with heavy duty elastic shock cord at the bottom hem for a snap tight fit Tie-down loops sewn into the bottom hem Washable with mild soap and water Storage Bag included Not for trailering.