Blue Wave 4-ft x 4-ft Air Pillow for Above Ground Pool - Absorbs Pressure from Expanding Ice, Cushions Winter Covers, Heavy-Duty 16-Gauge Vinyl, Heat-Sealed Seams, Easy Setup

SUPERIOR WINTER PROTECTION ??? The Blue Wave 4-ft x 4-ft Air Pool Pillow prevents ice expansion damage by absorbing pressure, protecting pool walls, liners, and covers from winter season. A must-have accessory for off-season maintenance and longevity. EXTENDED POOL COVER LONGEVITY ??? By creating an elevated surface beneath the cover, the winter pool pillow prevents water, snow, and debris from accumulating in the center, reducing strain on the cover and extending its lifespan. DURABLE, WEATHER-RESISTANT MATERIAL ??? Crafted from heavy-duty, puncture-resistant 16-gauge vinyl, this ice equalizer pillow for pool withstands extreme winter temperatures. It ensures continuous pool protection in even the harshest conditions. EFFORTLESS SETUP & SECURE PLACEMENT ??? The large air valve of the pool cover pillow allows for quick inflation and deflation, streamlining the winterizing process. Integrated grommets provide added security, keeping the air pillow securely in place. VERSATILE FIT & WARRANTY SUPPORT ??? Available in multiple sizes for tailored pool protection. Backed by a 90-day limited warranty. Dimensions: 4-ft L x 4-ft W x 21-in H when inflated.