Westcott HurleyPro H2Pro Weight Bags (2-Pack) are a versatile tool for photographers and videographers looking to add stability and weight to their equipment. With their ability to be filled with water, these weight bags can be customized to provide the exact amount of weight needed for each specific situation. The included water reservoir makes filling and emptying the weight bags quick and easy, and the durable polyester fabric case ensures that the bags can withstand even the most demanding conditions.