The Only Patented Pocketbook Cover That can protect Your Health! PHS has been created to help women protect their purse from collecting, transmitting, and spreading germs. It is a cover that goes over the pocketbook.It"s very stylish and light in weight.It has been styled to easily fit a purse or pocketbook of any shape and it is easy to put on or remove. The PHS is appealing because of its protective design, convenience of use. reasonable price and disposable for 100% elimination of germs and bacteria that are normally picked up on a pocketbook surface.