Ripstopper Oval Above Ground Swimming Pool Winter Covers (21 Ft. x 42 Ft.) The Ripstopper is the ultimate winter cover. It is durable, dependable and built to last! If your cover gets a hole or a puncture, no need to worry, this cover will not rip or tear. Latest technology proves to make this cover the toughest there is. Comes with a Vinyl Coated Cable and Winch. Pool Size: 21 Ft. x 42 Ft. Cover Size: 25 Ft. x 46 Ft.