Premium Quality! 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. 4-FOOT OVERLAP FOR BETTER WEAR! We do not skimp on fabric! Arctic Armor above-ground covers use an extra foot of material another reason why they are a great value! A 4-ft. overlap provides a better fit, esp. on pools with extra wide top-rails. This extra fabric also takes up some of the slack during windy weather, helping to prevent excessive wear and tear. NO MORE ALGAE GROWTH! Arctic Armor covers are constructed of an extremely tight weave fabric that does not allow light to pass through. Without sunlight, algae cannot grow! ABOVE-GROUND ARCTIC ARMOR BRONZE 8-YEAR WARRANTY Our entry level cover has the strength and durability of covers costing twice as much. Rugged polyethylene scrim and coating means this cover can withstand winters worst. Arctic Armor covers are U.V. protected so they will last for years in direct sunlight. The covers black underside retards algae growth and heat sealed seams means a crystal clear pool next spring. The big 4 foot overlap ensures a proper fit and helps the cover from stretching and ripping like covers with 3 foot overlaps. The Bronze cover is held secure on your pool with a heavy duty vinyl coated cable and tightener that is anchored by rip proof metal grommets. This cover is backed by an 8 year warranty ( 1 year full rated ) and is navy blue with a black underside.