Securing your tents and displays at outdoor events is crucial for your safety. Our set of 4 heavy-duty sandbags is an ideal security accessory that is perfect for all types of surfaces. They are made from 1680 Denier polyester and can be filled up with up to 30 Lbs of sand or gravel for your convenience. They have two wide zipper openings for easy filling and a carrying handle for smooth installation and removal. Wrap them around the tent legs easily with its adjustable straps and clips. The Ins’Tent sandbags can be used on any surface and can complement or replace stakes securing system. Four ballast Sand Bags are included.