Fits ages 2 to 6 with adjustable velcro elastic straps Makes learning to swim easy and fun Secure flotation enables kids to swim and play with confidence Comfortable design that keeps arms and legs free Virtually indestructible - will last for many, many years A strap-on shark fin pool toy that works as a flotation device and swimming aid. The Shark Floatie works well with all swim strokes or holds you straight up in the water. Fits ages 2 to 6 with adjustable velcro elastic straps.