The 20 x 40 rectangle Loop-Loc safety pool cover has dimensions of 20 feet by 40 feet and can be used as a protection device for swimming pools. It can prevent children and pets from accidentally falling into the pool. This type of cover has excellent durability and can be reused for years without being easily damaged. It can keep the pool safe, clean, and attractive. If you want to make your pool better, we welcome you to choose our product, the 20x40 rectangle Loop-Loc safety pool cover.