This is a pack of oil absorbing facial sheets. If your face becomes oily, then it will be shiny. To combat this, oil-absorbing sheets can be used. This thin and porus paper when touched to the skin soaks up the skin oil without messing up makeup or the need to wash your face. These are usually kept in a bag or a case and carried around. They can be used by anyone, it is not something reserved for girls.
This is likely a SA1 era item, due to the round awkward-walk Sonic stock art used in both detail and sihlouette. There are also geometric shapes and what looks like a white flower. What exactly does the label say?