DURABLE PVC FABRICApplied eco-friendly PVC fabric: innoxious, safe, lightweight and durable. (The strap of swim buoy is made with polypropylene: excellent firmness and wear-resistance.) HIGHLY VISIBLE IN OPEN WATERBrightly-colored swim buoy is exceptionally noticeable for swimmers in lakes, oceans and other open water.Specially designed to boats, kayaks, canoes, surfers, and paddle boarders can see you.Eye-catching color also can keep dangerous sea animals away, providing a safe way to float and rest while swimming.The swim buoy provides reassurance for safer swimmers by adding extra visibility and floatation, in case you cramp up or simply need rest. Adjustable & DetachableThe waist belt of swim buoy is adjustable and removable.can meet for different waist size needs, easy to adjust the waist size you want.The lightweight buoy gently tows behind you without pulling you back or adding extra drag to your swim. Our high quality and premium swim buoy a lightweight inflatable float,Plenty of air capacity buoyancy provides reassurance for safer swimming, you can grab the float in case you cramp up or simply need rest. Easy to UseSwim buoys will swell as long as you gently blow.Built-in inflatable nozzle has a valve for blowing air in. It can be inflated with your mouth directly or by an inflator until enough air is blown in.Light and small after being deflated, convenient for storage and portability; WATERPROOF DRY BAGWith airbag design, Interior storage space keeps your valuables safe, perfect solution for what to do with your valuables while swimming or snorkeling off the beach, so you don't have to hide them, and worry about your valuables getting stolen on the beach anymore.and Including waterproof phone case--- Came with a quality waterproof phone case for additional protection, or for bringing your phone for taking photo when diving.