Diaper Material: -Outer Layer: The Outer/Cover Layer is made from New Improved Thermoplastic Polyurethane (TPU) Laminated Fabric, which is highly Water-Resistant, Breathable and Very Durable. It can be washed without any deformation and gives an ideal protection for your baby, the bed and Linens from leakage. - Inner Layer: The soft suede cloth inner layer gently touches your baby`s skin. This layer can wick moisture away from babies skin and keep bottom dry. There is a pocket opening located in the inner layer to accommodate the microfiber inserts/liners, you can stuff the insert inside the pocket for maximum absorbency.