P-diaper / diaper

Design explanation
Parents always want to know the need of babies at the first time. P-diaper let parents understand the information whether the baby’s diaper need to change or not.
P-diaper is a kind of diaper, with the increase urinary volume; the color of pattern on P-diaper will become deeper. The choice of pattern aims baby want to talk with their mom, when the color of pattern become deepest that means you should change the diaper. Changing diaper in time can keep the baby’s skin healthy efficiently; P-diaper defends baby’s health.