GPC Winter Covers 25' x 45' Blue/Black Rectangle Solid Winter Pool Cover for Above Ground Pool 773050IGBLBProtect your pool during the harsh winter months with the GPC Winter Cover 25' x 45' Blue Black Rectangle Solid Winter Pool Cover. Engineered with a tight scrim weave, this cover offers superior durability and long lasting performance. Crafted from triple laminated polyethylene with heat sealed seams, it provides extra strength and resistance to wear and tear. Non rusting one inch aluminum grommets are strategically placed at each corner for secure