Features: 1. Super waterproof 2. Lightweight and easy to use 3. Swimming assistant lifesaving buoy 4. Suitable for rafting, river tracing, swimming, camping, sea surfing, diving, fishing, water park, self-driving trips and other outdoor activities Instructions: 1. Fill in the air and check if the air bag is leaking. Make sure it doesn't leak before you use it 2. Connect the air bag with the waistband with a short strap. Adjust the length of the belt and tie it at the waist 3. Rinse the air bag after use, drain the gas and dry it for next use Specification: Condition:100% Brand New Material: eco-friendly PVC Color:As the picture shown Size:As the picture shown Package Included:1PCX Outdoor Swimming Buoy Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.