1. Made of PVC material sturdy and durable.
2. Comfortable: The back of the head is designed to protect the head while maintaining a comfortable level.
3. Child safety buckle: The operation is simple and convenient and can be adjusted freely. It won't loose in a vigorous exercise
4. Independent chamber design: Independent chamber design more safely. Divide the whole into multiple regions even if one of the leaks does not affect the other.
5. Suitable for 1-4 years old / 80-100 height / less than 40kg.