The Vevor solar pool cover is designed to help retain heat, reduce water evaporation, and keep debris like leaves and dust out of your pool. Made from durable 12 mil PE material, it provides stable insulation for inground and above-ground pools. The cover absorbs heat during the day and helps reduce heat loss at night for a longer swimming season. Its customizable design can be cut to fit different pool shapes and sizes. This cover is well suited for both home pools and commercial spa applications.