Swim diapers are designed to hold in solids, not liquids. Pocket diapers can transition into swim diapers easily—just pull out the absorbent insert. Or there are cloth diapers made specifically for the water. Many are made out of swimsuit material and resemble underwear. Some manufacturers make girls swim tops in matching material. There are also swim diapers designed for boys that resemble swim shorts.
Diaper Lab Results:
Not only are they cute and fun, but many pools now require a diaper cover like these!