Size#S for 6-18month inner diameter 6.69 inch, waist 20.4inch , 5-12kg
Adults need besides baby when use .

• There is variety sizes in our shop, this is only for 6-18month. Soft and comfortable, Adjust belt and suitable different age..
• Two layer inflatable airbag , Float balance design, more safety...
• Classic swimtrainer float is made of high quality PVC , enviroment material, phthalate BPA free.
• Portable, heat-resistant, endurable.
• Stimulate baby's brain development, improve baby's IQ,EQ. Promote baby's digestion function, make meconium discharge. Improve baby's lung capacity, adjust baby's immune system. Increase baby reasonable exercise, promte baby's bone strong.

There is variety sizes in our shop, this is only for 6-18month. Soft and comfortable, Adjust belt and suitable different age..Free Swimming Baby