HIGHLY VISIBLE - In open water, swimmers in black wetsuits are virtually invisible. This brightly colored swim buoy is exceptionally noticeable to boaters, jet skis, paddlers. Void getting decapitated by a jet ski or a speed boat, also can effectively prevent shark attack, due to the orange color swim buoy. EASY CARRY STURDY AND DURABLE - Use Eco-friendly PVC material, not easy to cut, sturdy and durable. When you want to use it, so easy to blow the air by the new blow nozzle, and quickly deflate air then roll it up in a small bag when you have finished using. RISK-FREE PURCHASE - 7 days unconditionally refund or free replace if defective or any quality probles,, life-tie friendly customer service. SWIMMER GOOD HELPER - For swimming trainers, fastened to your waist by a belt with a tether line, you can leave it behind when you dont need it, it doesnt affect you. But in case you cramp up or simply need rest, you are able to grab the float. STORAGE OF PERSONAL ITEMS - This new swim buoy has a waterproof storage compartment that is separate from the inflatable air chamber. you can put your belongings into the bag, such us cell phone, sunglasses, sunscreen, clothes and socks, and so on.