Poolmaster 50550 Learn-To-Swim Freestyler Swim Vest - Small For aid in swim training for ages 3-6 Lightweight vest provides additional buoyancy support to build swimming confidence Nylon outer shell over closed-cell foam material, featuring adjustable buckles and center strap for proper fit and security Open-side design contours to body and allows for comfort and freedom of movement Fits Height up to 45" and Weight up to 45lbs. Recommended for ages 3-6 years