General description These hanging bags are designed to securely fix the pool cover, preventing it from being blown away. The sturdy buckle design makes installation easier and reduces looseness, ensuring that the pool cover remains flat. Technical specifications Material: Thick PVC Quantity: 16 bags Features: Antifreeze, tear-resistant, wear-resistant Usage Fill the bags with water or sand to secure the pool cover. Fill 1/2 or 3/4 above the ground to prevent cracking due to winter freezing and expansion. The wide mouth allows for quick filling and drainage, suitable for most garden hoses and faucets. Other information The sealing edges and leakproof valve design prevent leakage while being easy to open and close. These bags are suitable for swimming pools of various sizes and shapes.