Feature 1MAIN PURPLE: This bracelet can prevent drowning, just use the hand lever to keep you on the water, so that you can get out of danger. 2FOR WATER SPORTS: Suitable for underwater swimming, fishing, yacht sightseeing, diving, sea surfing, boating and other water sports. 3: The gas bag has been tested to ensure good reliability, help you deal with accidents such as choking, cramping and fatigue. 4ADJUSTABLE SIZE: The swim lifesaving wrist strap is adjustable, suitable for wearing on the wrist or arm to meet the needs of more people. 5EASY OPERATION: When using the bracelet, gently pull the hand to inflate the gas bag and provide buoyancy, efficient and practical. Item Type: Lifesaving Bracelet Material: ABS Size: Approx. 26 x 8cm / 10.2 x 3.1in Weight: Approx. 389-421g / 13.7-14.9oz_x000D_ _x000D_ _x000D_ _x000D_ Package List 1 Set Lifesaving Bracelet (4 Accessories in Total) Note 1. The air cylinder shall be tightened and the cylinder cover shall be closed._x000D_ 2. Pull off the and note that it is not inflated at this time._x000D_ 3. The returns to its position, and then the rapid inflation begins._x000D_ Remember to pull it once and inflate it for 2 seconds, and check whether the new cylinder has been replaced before each use when the is returned.