The One Size Turn Up the Base Foundation Powder in Medium Dark 4 is a pressed powder formulation designed for women. It comes in a standard size of .28 oz. with a matte effect and medium coverage. The unscented foundation is perfect for achieving a flawless complexion while providing sun protection with an SPF of 0. With a period after opening of 12 months, this foundation is sure to last and help you achieve a natural, radiant look.