General description Our 12 Pieces Pool Cover Weight Bags are designed to provide reliable protection for your pool cover throughout the year. Made from premium, heavy-duty PVC material, these bags are frost-resistant, tear-resistant, and abrasion-resistant, ensuring they can withstand harsh weather conditions such as strong winds, heavy rain, and snow. Technical specifications Material: Thick PVC Features: Frost-resistant, tear-resistant, abrasion-resistant Recommended filling: 1/2 to 3/4 capacity to prevent expansion Usage Fill the bags with water or sand for stability. Use the fixing holes for easy hanging and optimal stability. Keep the pool cover flat and free of leaves, water, and debris. Other information Includes 8 sturdy buckles for simple attachment. Waterproof edge and leak-proof valve for effective sealing. Compatible with most garden hoses and faucets for easy filling.