Gender: Unisex Size: Large This Large Circular Solar Pool Cover is a must-have for boosting your pool's efficiency by keeping heat in and cutting back on evaporation. Made from durable polyethylene, it offers solid protection and keeps your swimming pool warm, ensuring you have a comfortable swim throughout summer. Thermal Insulation: This pool cover is great at keeping the heat in during chilly nights and breezy evenings, which seriously cuts heating costs and keeps your swimming temp comfy for ages. UV Resistance: The cover blocks harmful sunlight that causes algae and breaks down chemicals, keeping your pool water nice and clean. Lightweight Design: Easy to handle, this pool cover makes installation and removal a breeze, giving you more time to enjoy the pool. Durable Material: Made from high-quality polyethylene, this cover is built to last, resisting wear from the elements, making it a solid choice for your pool. Versatile Usage: Ideal for large round pools, the cover works outdoors, helping maintain your swimming pool's temperature while cutting back on evaporation on hot days. Color: Blue Shape: Circular Material: Synthetic Polyethylene Indoor/Outdoor: Outdoor Only Cover Included: Yes Room: Other Dimensions: 20.8ft x 20.8ft Weight: 518.1 lbs Ladder: No Delivery Contains: Pool cover Assembly Required: No