Super Durable Material: Built to withstand year-round elements, our pool pillow for winterizing is crafted from heavy-duty 0.4mm PVC—a standout in the world of pool pillows for above ground pools. Its extra thickness and patented double-sealed edges slash the risk of leaks and punctures, giving you unwavering reliability through icy storms. No more worries about frequent replacements; this winter pool pillow is your long-term shield. Absorbs Ice Expansion Pressure: As freezing water expands, it can strain pool walls and covers, leading to costly damage. This pool closing pillow acts as a smart pressure buffer, compressing to absorb ice expansion force. By preventing cracks and tears, it seamlessly integrates into your pool winterizing kit to avoid spring repair headaches. Precise Center Positioning: Our above ground pool pillow features reinforced grommets and a 49-foot tether for secure anchoring right at the pool's center. This ensures even pressure distribution while lifting the cover to push debris toward the edges, simplifying cleanup. It’s the ideal pool cover pillow for maintaining balance and efficiency. Leak-Proof Valve Design: Winterize your pool in minutes with this user-friendly pool air pillow. The dual Boston valves pair effortlessly with standard electric air pumps for rapid, airtight inflation. We recommend filling to 70-80% capacity to accommodate natural expansion without overstressing the material—making it a reliable winter ball for pool closing that’s both efficient and durable. Reliable Cold-Weather Performance: Engineered for extreme conditions, winter pool pillows for above ground pools stays flexible and functional down to -10°F (-25°C). It won’t turn brittle or fail when temperatures plummet, ensuring your above-ground pool pillows for closing winter provide consistent protection. Think of it as your pool’s trusted cold-weather guardian, season after season. Size 14'9 x 3'11 (Rectangular) Color Blue Shape Rectangular Brand Name Boilsum Model Name pool pillows for above ground pools Item Weight 5.14 Kilograms Manufacturer Boilsum Model Number pool pillows for above ground pools Material Type Plastic Product Style Classic Installation Type Floating Additional Features Foldable Manufacturer Part Number Pool air pillows for above ground Product Care Instructions Clean regularly to remove debris