🏊♂️ Dive into worry-free pool maintenance! Single chamber design allows for quick filling with water. Keep your pool cover in place, no matter the weather! Crafted for longevity, ensuring your pool cover stays intact. Fill halfway to accommodate ice expansion—no worries in winter! Hair dryer tip for easy valve closure—no hassle! Single Chamber Design 12 x 6 x 12 in Dimensions 2.64 lbs Weight The Robelle 3803-04BX Above Ground Pool Wall Bags come in a convenient 12-pack, designed to weigh down your pool cover and prevent wind damage. Each bag features a single chamber for easy filling and is engineered to accommodate ice expansion, ensuring your pool remains protected year-round.