Cold resistant material: Built from specially formulated materials that resist cold temperatures, these pool pillows stay effective throughout winter. They help protect the pool without compromising performance in freezing conditions. Effective winterization: Designed to support aboveground pools by preventing water buildup under the cover and reducing icerelated stress on walls and liners during winter months. Easy installation: Quick and straightforward to use. Place the pillow in the pool for a swift winterizing step with no tools required, making preparation simple for any user. Widely used: Available in two distinct sizes to fit a range of aboveground pools, providing comprehensive protection during the cold season. Benefits in practice: Reduces risk of ice pressure damaging pool walls and liners. Helps maintain pool integrity through winter with minimal effort. Two size options offer better compatibility with various aboveground pool diameters. Use scenarios: Cold climate winterization: In regions with freezing temperatures, place the pillow on the water surface to displace water and minimize ice buildup, protecting the pool structure all season. Large or irregular pool sizes: Choose the larger pillow for bigger aboveground pools to achieve effective coverage and protection without gaps. Spring opening and quick reuse: After winter, remove and stow the pillow easily to resume pool use, enabling a faster and simpler spring reopen.