The size must be suitable for the baby’s body shape. The size of diapers can be divided into 5 types: newborn, small, medium, large, and enlarged. Mommy must pay attention to whether it fits the baby’s body shape, especially the elastic grooves on the legs and waist. Too tight, otherwise it will strangle the baby’s skin. Remind Mommy that sometimes the size of diapers may not be exactly the same, and may vary with different manufacturers' brands. Mommy may wish to refer to the number marked on the outside of the package, or exchange it with a friend first. Choose more for your baby. Use diapers with a concave belly button cut for newborn babies to avoid infection of the umbilicus. If there is a wetness indicator, you can detect the baby's wetness in time. A chemical substance that changes color when urine is added to the diapers, but it is not irritating to the baby's skin. This wetness indicator makes the baby wet, and mommy can Timely discovery, timely replacement. The leak-proof design prevents the baby from leaking urine. Sometimes the urine leaks out from both sides just after changing the baby's diaper. This will not only soil the baby's clothes, but also cry because of discomfort. If you choose leak-proof diapers, the frills on the inner thighs and the leak-proof frills at the waist can effectively prevent leakage when the baby has too much urine. Previous: Knowledge of wearing diapers Next: Understanding the'physical structure' of diapers