This Mobility Scooter Cover is made from waterproof, rip-stop nylon and will protect virtually any design of electric mobility scooter, whether it has three wheels or four.The lightweight scooter storage cover is tough and durable and has an elasticated base that helps to ensure a good fit that lends added resistance to being caught by the wind. For its money, this is one of the best mobility scooter covers on the market, and it should give the user years of high quality protection against the elements.