GLI Pool Products Secur-A-Pool 20-1636RE-SAP-GRN-AC 16' x 36' Green Rectangle Mesh Safety Cover. Our Secur-A-Pool® Safety Cover is renowned in the industry for its strength, durability and ease of installation. In addition, it is a maintenance-free cover that provides pool owner complete peace of mind during the off-season that their pool investment is not only protected against the elements, but also, will not pose a danger to unexpected visitors. If you open early in the spring, don’t have large amounts of leaves and debris in your yard, or you don’t fully winterize your pool but need the security of a safety cover - this is the cover for you!