*Featured fabrics: Use waterproof and wear-resistant Oxford cloth，Use waterproof and wear-resistant Oxford cloth.
*Lifeguard whistle:Wear a life jacket with a whistle for help, and use it in an emergency.
*Night reflector:Night reflector on the shoulder, easy for rescuers to search
*Adjustment buckle: Adjustable buckle is used on the waist for easier adjustment to a comfortable position
*Safety straddle: Equipped with a cross belt to increase safety, can be selected according to the specific situation
*Build reinforcement: The details are reinforced, the stitching is fine, and it is durable