When it comes to choosing diapers, many novice parents rely on experience, brands or recommendations from friends to choose, but they know little about the professional standards of diapers. In fact, every layer of a high-quality diaper has a "breathable" design, and there is it-diaper film, that is, diapers film. What is a breathable backsheet? The bottom material of diapers is generally made of PE film or PE film + non-woven fabric. PE film has good water resistance and air permeability, mainly to prevent urine leakage and make diapers breathable and impervious to water; While ensuring the breathability of the diapers, the comfort of the baby is improved as much as possible, so that the diapers are more textured and feel better.