The surface is designed with special artificial cotton, strong water absorption rapid diffusion and breathable, moderate water resistance and cooling. The soft surface of cotton cloth make baby more comfortable, the effective lock wet does not return. The bottom use 100% natural rubber material, it is not easy to rupture and degumming. It can ensure prevent leakage when baby wet, double safe to use. Shell fabric 100% cotton lining, 78% regenerated cellulosetiber, 22% polyser interlining : TPJ.