The ArmorKote™ 15 year winter cover is maximum in tear and puncture strength! This UV resistant cover is 1.25 - 1.50 mil polyethylene coated on each side with 1000 denier scrim and comes with a 15 year manufacturer's warranty, 3 years full. Constructed of the widest material in the industry; resulting in fewer seams for a bigger and stronger cover. In-ground covers come with tie down and water bag loops for secure installation. The outer border is constructed with triple edge reinforced binding. Made in the USA by Hinspergers Poly Industries Inc.