3 6 cavity inserts included = 18 cavities Interchangeable modular system - provides greater ease of use 6.875 x 2.625 x .625 cm | 140 g Used to condense makeup in a smaller portable container Nested inserts in sleeve protect labels UV coating - on the lid protects colors and makeup integrity Shockproof plastic, high chemical resistance, high visual clarity BPA free, food safe and fully recyclable