Water play pants, animal pattern, baby swimming, water play pants, briefs shape, rubber, inner, nursery, nursery, water play pants (explanation). Recommended for the coming water play season. We use the same waterproof material as baby diaper covers. Can be washed and reused over and over again. Unlike disposable paper diapers, they wont swell or weigh down. Use it as a diaper cover as a leak proof pants with molded diaper pads.