Just cyclically filling it with water can hold your canopy tent or awnings stably as with sand bags, preventing it being blown down by the wind. Features: Easy to fill, it can hold up to 10 liters of water. Fastener cover is easy to close without leakage. Hook and loop design, easy to wrap around leg(Up to 8cm in diameter) of canopy. With handle design is convenient to move and carry. Folded after weight deflated without taking up your space. Made of water-resistant cloth, wear-resistant and tear-resistant. Also suitable to hold sand. Suitable for tent, gazebo and camping sun shelters, sports umbrella, trampoline, etc. Specifications: Material: PVC water-resistant cloth Size without handle(Dia.xH): Approx. 20 x 32.5cm Filler Hole Diameter: 2.2cm Capacity: 10L Package Content: 1 x Water Weights Bag