The Snap Reusable Absorbent Swim Diaper provides UPF 50 plus excellent sun protection and has a waterproof outer layer, extra absorbent inner layer, and wickaway linking next to baby’s skin. Snug-fitting legs and waist help contain accidents while in the water. Approved swim diapers minimize the introduction of pathogens and help reduce the risk of recreational waterborne illnesses. The convenient side snaps make changes quick and easy, even when wet no other diaper necessary, no more bulky disposables made from 100 percent polyester. Machine wash cold.