I have a 13yr old adult sized girl who was terrified of water for years due to her special needs. She never learned to swim. Now she's older, she is able to get in the water but ONLY with arm bands on and only up to her shoulders. We bought these to take on holiday and she was able to get in and float with ease. They bore her weight and gave her that little bit of confidence needed. Very easy to inflate and deflate too.
I haven't tried them yet but I do like the quality of them and looking forward to them aiding me to swim
Perfect for my son he now has more independence in the pool