Gerber 8 pack waterproof pants are ideal for multiple uses: as a protector over cloth diapers, extra protection over a swim diaper, and for use over toddler training pants for when they first start potty training The gentle elastic waistband makes them comfortable and easy to pull up or down 100% PEVA; Binding: 100% Nylon Machine washable and reusable. Durable, easy to use, easy to wipe clean. Available in infant and toddler sizes