Easy installation and Removal The extra overlap keeps covers from sinking into the pool thus insuring longer cover life and ease of removal in the spring. Larger Cover Size with 4’ Overlap provides Added PROTECTION! Our extra-large covers provide you with extra protection as the winter wears on! As rain and snow accumulate on your cover – it brings a lot of weight with it. All that weight begins to sink the cover into the pool and put a ton of pressure on your pool wall, top seats and top caps (See Above!). Our extra-large 4’ overlap covers help reduce that stress! It also ensures a longer cover life and ease of removal in the spring! Double-Stitched Perimeter All Doheny Winter Covers feature LAREGE PIECE CONSTRUCTION AND ARE DOUBLE STITCHED FOR GREATER DURABILITY! Made with Large, continuous pieces, our covers have fewer seams and stress points than standard covers and are assembled with weather resistant, poly-strength and double stitching for greater durability. All material is TRIPLE LAMINATED AND POLY-TREATED WITH UV COATING to help protect your cover from potentially damaging rays of the sun.