It is a diaper code to enter on the pampers gifts to grow website. Pampers diapers and wipes always have one of these codes on or in the package. And depending on the package size, the amount of points varies. So with these codes, you just log into your pampers gift to grow account ( If you do not have you can just create a new account) and enter the 15 digit code to collect your points. Depending how many points you have you can than redeem them for rewards/prizes on the pampers website.