Features: Equipped with large inflatable gas nozzle, direct mouth can be fast inflatable. The swim buoy is lightweight. There is no sense of restraint when swimming, does not affect the swimming action and speed. Product name: Inflatable life saving swim buoy Buoyancy: 8KG Weight: 220G Material: 0.35MM environmental protection PVC 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. Specifications: The swim buoy is lightweight. There is no sense of restraint when swimming, does not affect the swimming action and speed. Package Included: 1* Single airbag swimming package