Primer enriched. Skincare infused. Luminosity refined.  What It Is Primes, highlights, and defines eyes for elegant color and comfortable wear. A signature case designed specifically for the Eye Color Quad Refill which includes a mirror and brush & tip applicator.  What It Does  Holds the Eye Color Quad Refill and brush & tip applicator for seamless refilling and on-the-go application. How To Use  - Remove existing Eye Color Quad Refill by hooking your finger around the edge of the pan and pull out.  - To insert refill, put it in the case and press lightly until it clicks. Pairs Well With  - Eye Color Quad Refill - Concealer with SPF - Perfect Lash Mascara  - Eyebrow Pencil