SwimSchool Easy Fit Arm Floats Flat inner surface allows child's unrestricted freedom of motion Up to 75 Lb For ages 4-8years Helps builds swim confidence with the built-in buoyant foam pad inserts front zipper and clip strap. Easy fit arm floats, new Design Flat inner surface allows child's unrestricted freedom of motion Up to 75 Lb For ages 4-8years