cally filling it with water can hold your canopy tent stably as with sand bags. Specially designed straps ensure that the weight bags steadily stay attached to your instantcanopy or pop up shelter legs or upper trusses. Capacity: The water weights (1 Set of 4 Weight Bags)can hold up to 10 Liters of water. Weight bags can be folded after emptying water for easy storage to save 90% more space. After being folded, the size can be only 6 x 6 x 2in. Material: Made of strong PVC waterproof material. User-friendly with grip handle and screw cap top. Velcros, hooks and straps on each weight bag are convenient for you to wrap around the leg of your canopy, so that the canopy can withstand strong windand other weather elements. Size: 8.2in W x 13in H. Suitable for legs ranging from 15MM to 50MM size.You can adjust them up and down as you need. Suitable For: Various sizes of Pop Up Canopies, Beach Canopies, Gazebos, Carports, Camping Canopies and etc..