**Yankee 4x4 ft Winter Pool Pillow for Above-Ground Pools – Heavy Duty 0.4mm PVC (27 Gauge) – Extra Durable Pool Closing Pillow – Perfect for Winterizing and Protecting Your Pool** *(Ideal for preventing ice damage and maintaining pool cover integrity during cold seasons)*

Prevent Pool Damage Protect your above-ground pool from cracking as water freezes with our pool cover air pillow. Inflate it to 60-70% capacity, and it absorbs the expansion pressure, safeguarding the walls. Also, prevent debris buildup with the pool balloon for closing pool setups, ensuring a clean and safe pool all winter long.

Extra Durable Construction This pool closing pillow is made of 0.4mm thick PVC, nearly three times thicker than standard options. Featuring patent-pending double-sealing embossing technology, it’s designed to resist leaks, tears, and deflation, ensuring lasting winterizing protection.

Cold-Resistant Design Our winterizing pillow for above ground pool protection can withstand extreme temperatures. It remains durable in conditions as low as −10°F (−25°C) and as high as 180°F (80°C), making it an essential tool for pool winterization.

Complete Winterization Solution Our pool winter pillow includes a dual Boston valve for easy inflation and reinforced grommets with a 50-foot rope for secure centering. This thoughtful design ensures your pool closing pillow stays in place all winter long.

Premium Sapphire Series Our pool winterizing kit prioritizes durability, safety, and reliability. The pool cover pillow material is USA-CPSIA compliant, tested for harmful chemicals, and free from dangerous metals. Trust our products to protect your pool year-round.