【MULTI PURPOSE】Constructed with heavy duty PVC material, fill this handy bag with sand and anchor your jet ski and paddle board!Or, leave it empty and fold the roll top to use as a buoy or use it as a dry bag for your personal items!【HEAVY DUTY】Made from ripstop tarpaulin with sturdy welded seam which is designed for years usage, tear, rip and puncture proof. Perfect for almost any extreme adventure you imagine.12 ft. Long marine grade rope with a buoy and 316 stainless steel clips at each end.【HIHG VISIBILITY】utilizes custom high visibility yellow and green colors. This allows it to stand out and be easily visible and accessible, even at night!【EASY OPERATION】Drawstring anchor bag can be filled with sand or rocks for up to 65 lbs. of holding strength for use with PWC,jetski,kayaks, rafts, paddle boards and small boats