The ArmorKote™ 12 year winter cover is made in North America by Hinspergers Poly Industries of Medina, New York. This pool cover is polyethylene coated with 1000 denier scrim and comes with a 12 year manufacturer's warranty, 3 years full. ArmorKote winter covers are constructed of the widest material in the industry; resulting in fewer seams for a bigger and stronger swimming pool 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.