Winter pool pillow designed to protect your pool or pond during the offseason while simplifying storage and maintenance. Key benefits Prevents frost and debris buildup: keeps waterline and pool cover cleaner through winter and harsh weather. Reduces maintenance work and replacement costs: durable construction withstands extreme temperatures and UV exposure so you don't need frequent replacements. Saves space and simplifies storage: lightweight, foldable design rolls into a compact shape for easy handling and offseason storage. Keeps covers and liners in place: double rope fixation stabilizes the pillow and minimizes shifting in windy conditions. Main features Material: multilayer PVC construction treated for UV resistance and cold resistance to hold up against seasonal temperature swings. Design: lightweight and foldable for fast installation and removal; shaped to adapt to rounded pool edges for consistent coverage. Fixing system: double ropes provide strong, safe attachment to prevent movement and reduce debris accumulation. Performance: built to perform reliably during wintering and to lower longterm maintenance expenses by extending the usable life of pool covers and liners. Compatibility and use Compatible with aboveground and inground pools or ponds where a winter air pillow is suitable; fits rounded edge designs due to adaptive shape. Use cases: 1. Winterizing a backyard pool: place the pillow under the pool cover to prevent ice damage, reduce freeze pressure on walls, and limit debris collection. 2. Offseason pond protection: deploy the pillow for long periods of nonuse to maintain cleaner water and reduce cover stress from ice and wind. 3. Windy, leafprone seasons: secure the pillow with the double ropes to stop cover shifting and cut down on leaf and debris entry. Practical details Quick to install and remove; roll up for compact storage when not in use. Durable PVC layers resist UV and cold to provide seasontoseason reliability. Doublerope attachment ensures stable positioning and helps maintain pool cleanliness throughout winter. This winter pool pillow offers straightforward protection, durable materials, and easy handling for efficient offseason pool care.