Item Type: Sandless sand bags Material: 420D polyester Weight: Approx. 620g / 21.9oz Product Size: 25x50cm / 9.8x19.7in (3cm tolerance) Application: Window, door, garage, basement, flood protection Package List: 10 x Sandless Sandbag Please allow 3cm tolerance due to manual measurement. Effective Flood Prevention: These reusable flood barriers help prevent water intrusion and are ideal for protecting property during rainy seasons. Durable Polyester Material: Constructed from 420D polyester, these sandbags offer strength and durability for reliable water resistance. Waterproof Lining: Features a waterproof inner lining designed to resist wear and tear, supporting long-term use in demanding conditions. Easy to Use: These flood barriers expand when filled with sand to provide effective protection. Equipped with drawstring for convenient opening and closing. Enhanced Flexibility: Thickened design provides resilience and flexibility. Once filled, they can be shaped and placed in various areas needing water protection, helping create a secure barrier.