Nickelodeon PAW Patrol Progressive Chase Swim Trainer With an adjustable crotch strap for right fit. Fit, stability, flotation, and durability are factors that make new and improved ways to make learning to swim fun and enjoyable & Comfortable. durable, and very stable Swimmers feel confident and secure in these floats and vests, the unit was designed to fit a weight range of 40-55lb's Never got to use