water donut

Common overall diameters include 30", 32.5", 42", and 48". Some 30" rings also list a 13" inner diameter for the center hole.

Weight capacities vary by model but commonly range from about 180 to 300 pounds.

Labelled suggested ages vary and commonly include: 3 years and up, 4 years and up, 6 years and up, 8 years and up, 10 years and up, and 15 years and up.

Package options in the available details include single floats as well as multi-packs such as 3-packs and 4-packs.

Some 30" donut floats list a 13" inner diameter intended to fit ages 8–12; other listings provide only the overall diameter without an inner-diameter specification.