There are no limits to how you can customise your Z Palette with these empty metal pans. Fill them with concealer, lipstick, and foundations. Press loose pigments into the empty pans to create your own shadow. Magnetised to adhere to the Z Palette pan. Flat surface to easily write product name with a marker for future reference. Small Z Palette fits 9 Square Empty Metal Pans 4U Z Palette fits 15 Square Empty Metal Pans Large Z Palette fits 28 Square Empty Metal Pans PRO/DOME Z Palette fits 28 Square Empty Metal Pans plus room for a thin brush.