HIGHLY VISIBLE - In open water, swimmers in black wetsuits are virtually invisible. This colorful floating buoy is particularly popular with boaters, jet skis and paddlers. If you are decapitated by a jet ski or speedboat, the orange floating buoy can also effectively prevent a shark attack. GOOD HELPER FOR SWIMMERS - For swim trainers attached at the waist by belt and strap, you can leave it behind when you don't need it. In case you tense up or just need a rest, you can grab the float. EASY TO CARRY, STURDY AND DURABLE - Use environmentally friendly PVC material, not easy to cut, sturdy and durable. When you're ready to use it, simply blow air through the new blower nozzle, quickly release the air, and roll it into a small bag when you're done using it. STORAGE OF PERSONAL ITEMS - This new floating buoy has a waterproof storage compartment separate from the inflatable inner tube. You can put your things in your pocket, eg. B. Mobile phone, sunglasses, sunscreen, clothes and socks, etc.The Triathlon Training Buoy Series will make you a safer swimmer by combining utility and visibility. This buoy is essentially a lifeguard that allows you to track or record your swimming behavior with a coach, lifeguard or swimming partner.