Constructed of our strongest and most material. This cover features stabilized woven polyethylene scrim that protects the cover from sun snow wind and ice. It features a black underside to retard growth and heat sealed seams to ensure a crystal clear pool next spring. Our Gold cover comes with loops every four feet to secure water bags and corner grommets to allow for extra tie down in windy areas. The cover is 5 feet longer and wider than the pool size and is backed by a 15 year warranty (3 years full rated). Invest in a quality cover this fall with Arctic Armor Gold. STRONG LONG-LASTING WOVEN STRANDS Arctic Armor covers are woven strong/long-lasting polyethylene tapes to produce a cover that will hold up to winters worst. NO MORE GROWTH! Arctic Armor covers are constructed of an extremely tight weave fabric that does not allow light to pass through. Without sunlight cannot grow! Features: - category: Home / In-Ground 15 Year Winter Cover For 18 x 36 Rect Pool - Color: Blue - Cover size: 22 x 40 - Pool Size: 18 x 36 - Shipping dimensions: 23 x 17 x 9 - Warranty Length: 15 Years - SKU: WC962 - Pool Shape: Rectangular - short_description: America S Strongest! Built To Last! - Brand: Arctic Armor