GPC Winter Covers 23' x 45' Blue/Black Unbound Rectangular IG Winter Cover for 18' x 40' Rect PoolFeel confident in your pool's winter protection with this Unbound Rectangle In Ground Winter Cover, designed for durability and long lasting performance in harsh winter conditions. Crafted with heavy duty, cold resistant materials, this cover effectively shields your pool from debris, snow, and ice, reducing maintenance and ensuring a cleaner pool opening in the spring. Designed to fit 18' x 40' rectangular in ground pools, the 23' x 45' cover