1)Material: Waterproof oxford, polyethylene foam, polypropylene textile belt 2)Buoyancy(kg)>7.5kg 3)The lock's belt: 2 Life vest (JK36808)1)Material: Waterproof oxford, polyethylene foam, polypropylene textile belt2)Buoyancy(kg)>7.5kg3)The lock's belt: 24)Applicable range: Used for water sports Life Jacket (JK36809)