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Size M is suitable for children aged 2-5, and size L is suitable for children aged 5-10. It can be used as a swimsuit for learning swimming, as well as life jacket and rafting suit, with diversified functions and reliable quality.                     M code standard buoyancy is 20 kg, L code standard float 40 kg

1) Diving material, no need to inflate, it is more comfortable and safe to wear on the body like a garment without the pressure of inflatable swimsuit.

Used to provide safe buoyancy:Suitable for beach, swimming pool and water sports, swimming and snorkeling can be used to ensure children can move freely in the water.       

• This product is based on USAULLife jacket production safety certification standards, enough buoyancy let baby products don't have to use other additional buoyancy.
• In order to ensure the safety during use, please choose the appropriate size.
• Be sure to use this product under parental supervision.

        Please measure your baby's weight and chest circumference. It mainly depends on the actual physical development and weight and height of the baby. If you have never been under water or under 3 years old, please try your best to choose the buoyancy arm ring as a balance, because the baby will have poor balance ability due to small strength. There is a buoyancy arm ring for selection in the store, and it will no longer be needed if you adapt to it. If you are using a life jacket for swimming, it is recommended to wear a swimsuit with sleeves inside to reduce friction caused by buoyancy versus gravity.