"Outer Layer: The Outer/Cover Layer is made from New lmproved 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 polyester fleece inner layer gently touches our baby's skin. This layer can wich 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.All of these advancde designs are to make your baby feel easy and comfortable. That is what all parents are happy to see. Attention: Color：color sent randomly One Size Design: S.M.L all in one size. ( Please adjust the button according to the body size of baby )" Air cotton diapers Size: 32 * 12cm Products include: 30pcs(10pcs diapers + 20pcs air cotton diapers) Attention:Size may be 2 cm/1 inch inaccuracy due to hand measure; Color may be a little different due to monitor,thanks for your understanding! Please allow a little different color due to different monitors. Allow sizes 1-3cm errors due to manual measurement.