This product can provide some support and for timid swimmers or new swimmers. The lightweight buoyancy belt swimmers from getting tired easily, and the product can also be detachedApplicable people: adults, childrenBuoyancy: about 40kg180x85x120mm (volume after shrinking)Packing method: carton + shrink filmMaterial: EVAPeople who learn to swim also use foam , which can be added or removed from the conveyor belt when needed.Suitable for scene: swimming poolFor customers with larger waists, you need 2 belts-they can be connected together1x Buoyancy BeltIt can be worn on the front or back of the waist. The biggest advantage is that you can add obstacles in front of your body (or place obstacles where needed) to better maintain your balance and maintain a good posture.Total weight: about 105gThickness of each piece: 30mmSolid material, durable, water-, grease-, quick-drying, non-fading, no peculiar smellFunction: assist swimming, not as a life-saving product