Swim Safe Little Swimmers Help Kids Stay Safe In The Water, And Stay On The Surface! The High Uv Protection Upf 50+ Provides Protection Against Solar Radiation. They Consist Of Strappy Vinyl With Textile Cover On The Outside And Provide Comfort Throughout The Day. Kids Love The Fun Design And Adjustable Straps, You Can Easily Fit Them To Your Child. The Size Small / Medium Is Perfect For The Age Group Of 1-3 Years With A Weight Of 11-18 Kg.