By land or by sea, Bumkins? Swim Diaper helps your little one contain the mess while making a splash. A soft but durable waterproof exterior holds in solid messes while bright, colorful prints add a touch of polish poolside. Get the perfect fit with adjustable side snaps that also allow for a quick and easy change, wet or dry. Reusable and machine washable, Bumkins Swim Diaper is eco-friendly and wallet friendly. Bumkins' swim diapers run large; when wet, the snaps may need to be adjusted for a better fit on the diaper.