Bownet U-Fill Sandbags, Two Pack. Can be used for gym or turf fields to aid in stabilizing any Bownet training, soccer, or protection net. Easily attach the sandbag to the steel ring at the end of the bungee cord on your Bownet net. Internal resealable plastic bag makes filling and emptying the bag easy. Constructed from nylon with durable adjustable strap to double as a carrying handle. Includes two sand bags and filling instructions.