Description Size&Material: The size of the makeup brush dry cleaning box is 2.36x2.36x0.94inches,and our dry cleaning box is composed of an iron box and an activated carbon sponge core, which is antibacterial and durable. You can use it with confidence Advantages Of Using: This dry cleaning box is a portable makeup brush non wash cleaning tool, suitable for dry cleaning makeup brushes that use dry powder. For example, loose powder, face repairing powder, eye shadow makeup powder, etc. Activated carbon sponge core, dry cleaning will not breed bacteria and is durable. Moreover, frequent washing of makeup brushes can easily damage the softness of the bristles, while dry cleaning is relatively portable and can also maintain the makeup brush in terms of cleaning.You only need to gently sweep it,which can clean the remaining dry powder on the makeup brush in a few seconds Easy To Carry: Makeup brush dry cleaning box is lightweight and easy to carry. If you are a makeup artist or have a habit of applying makeup, you can bring this dry cleaning box with you when you go out, which is very convenient to use Precautions: We suggest that you replace the cotton core with a new one every 2-3 months, clean the cotton core once every 1-2 weeks, and use cleaning agents for better results