Splash About Swim Vest for Learning to Swim UPF50+ Sz mark worn off (1 - 2 yrs?)

Splash About Swim Vest Aids in learning how to Swim Butterfly print Made from soft UPF50+neoprene Light weight & comfortable Packs flat for traveling Size mark faded 1 to 2 yrs 11 to 15 kg ? Very good used condition