Premium Material --- The sandbag anchor is mainly made of high quality PVC and the hook is made of rustproof stainless steel, it is more corrosion resistant and durable for long time use Versatile anchor - -- Portable anchor design, but also can be used as a 10L dry bag to keep your stuff dry when the anchor rope and dry bag are separated Clever design --- Just fill the sand completely in this durable 500D PVC dry bag. Roll it up and become a boat anchor for jet ski Highly visible connecting line with marker buoy --- 12 inch long yellow and green dock line with buoy design. It's easy to know the location of your jet ski Convenient empty sand strap design---Convenient bottom strap design can quickly and easily empty the sand inside the dry bag