Leak-Proof Design: Sealing edges and anti-leak valve ensure zero leakage, maintaining hydration bag weight and stability. Easy open-close feature enhances convenience. Durable PVC Construction: Thick PVC material resists freezing, tears, and abrasion, ensuring longevity and preventing leaks. Ideal for harsh winter conditions. Secure Installation: Designed to let pool covers securely, preventing displacement. Easy-to-secure hanging bags simplify installation, keeping pools clean and debris-free. Convenient Fill & Drain: Wide-mouth design facilitates quick filling and draining with most hoses and faucets. Optimal filling levels prevent winter freeze expansion risks. Versatile Compatibility: Fits oval, rectangular, or custom-shaped pool covers, offering flexible protection for various sizes and shapes. Adaptable to diverse pool covering needs. Description: Ensure your pool cover stays secure with our pool cover weight. Featuring a sealing design with anti-leak valve, it prevents leakage and maintains stability. Made of durable PVC material, it resists freezing and tearing, ensuring a long service life even in harsh winter conditions. Easy to install, these water bags keep your pool cover in place, preventing it from blowing away. The wide mouth allows for quick filling and draining, fitting most garden hoses and faucets. Suitable for various pool shapes and sizes, these weight covers are versatile and effective in keeping your pool clean and protected. Item Name: Pool Cover Weight Material: PVC Features: Leak-prof, Durable, Secure Size Details: L: 34cm/13.39", W: 24cm/9.45" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Light Blue 1pc,Dark Blue 1pc: 1 x Pool Cover Weight or Light Blue 6pcs,Dark Blue 6pcs: 6 x Pool Cover Weights or Light Blue 8pcs,Dark Blue 8pcs: 8 x Pool Cover Weights or Light Blue 12pcs,Dark Blue 12pcs: 12 x Pool Cover Weights or Light Blue 16pcs,Dark Blue 16pcs: 16 x Pool Cover Weights