MAC Studio Fix Fluid SPF 15 Broad Spectrum SPF 15 Foundation Shade: C3.5 (Light to Medium Beige with Peachy Undertone) Size: 1 fl oz / 30 mL 24-hour colour-true foundation. Buildable, medium to full coverage in a natural matte finish that won’t cake, crease or settle into fine lines or pores. The lightweight, oil-free formula provides all day hydration and won’t cause breakouts. For ALL skin types. A 24-hour buildable, breathable foundation with a natural, soft-matte finish in 67 good-for-skin shades made for all skin tones and textures.