What it is: A signature refillable case designed specifically for Eye Color Quad Refills, which includes a mirror and brush and tip applicator.What it does: The beautiful, logo-adorned case holds Eye Color Quad Refills and brush and tip applicator (sold separately) for seamless refilling and on-the-go application. How to use: Remove exisiting Eye Color Quad Refill by hooking finger around the edge of the pan and pull out. To insert refill, put it in the case and press lightly until it clicks. Made in Japan