Check the listing for details. Oval Above Ground Swimming Pool Split Blocker Winter Covers (Various Sizes). Condition: New. Listed at 74.99 USD. Oval Above Ground Swimming Pool Split Blocker Winter Covers (Various Sizes) Product Features: "TEAR RESISTANT" Includes cable and winch Double stitched & triple thick hems using UV resisted nylon threads Ultraviolet light inhibitor Triple laminated polyethylene 4' ft overlap Limited Warranty - 15 Years (5 years full) Item Description: The Split Blocker Solid Winter Cover is the ultimate winter cover. The split blocker will never rip or tear and is durable and dependable so it will last many seasons. Constructed of woven polyethylene fabric is time tested and willing to last a few year. This tightly woven solid cover material is made from a super-strong polyethylene, to resist even the harshest of winter weather. This cover is tear resistant. Keep your cover from tearing and your pool safe with the Split Blocker cover!