Diapers are commonly used daily necessities for infants. Dry diapers can make infants sleep soundly all night, which is commonly known as "diaper" due to its strong water absorption. Among them, super absorbent polymer (SAP for short) is an excellent material for making baby diapers. Outstanding characteristic is to absorb water and the quantity of water storage are astonishing.

Urine not wet air performance is poor, heat dissipation performance is not ideal.

Baby boys using a small tight diaper, not conducive to their testicular development. The tight and small diaper tightly covers the boy's crotch. The lack of sufficient space in the thigh root makes it difficult for air to circulate and heat from the crotch to dissipate. Over time, it will easily affect the normal growth of the boy's testicles and make him easily suffer from infertility in the future.

If the diaper used for baby girls is too small and too tight, due to their high temperature and airtight legs, bacteria are easy to multiply and often invade the vulva, urethral opening and other parts of baby girls. Accordingly, to small baby choose and buy make water not wet should master such a principle: ning song is not tight, ning largo is not slant small. Had used, a bit dirty make water not wet, avoid by all means is used again even many times, can lose big and bungle the child's health because of small gain otherwise.

Suggested that infants at the time of one to four months use diapers, baby also had better not to use, and the best do not use the diapers during the day, if has been using diapers can let children to develop habitual random urine, now Europe and the United States some of the children at the age of around is still in use because diapers for children to develop the habit to urinate.