The ONE/Size Turn Up the Base Full Beat Liquid Foundation in Fair 20 is a versatile foundation suitable for all skin types. With a full coverage formula and a matte finish, this 1 fl oz liquid foundation from O/S is designed to provide a seamless and natural look. The product has a 12-month shelf life and comes in a standard size, making it a convenient and long-lasting option for women looking for a high-quality foundation.