The makeup brush storage box has an ergonomic design with magnetic side closures for easy access to your makeup essentials and a silicone bulge for cleaning brushes directly on the bulge. Makeup brush holders are made of soft silicone that is skin and environment friendly, and like most silicon brush holders, ours does not have the silicon odor that triggers allergic reactions. The storage box is light and small, can be carried in a bag, suitable for business trips, travel, and daily makeup.