This pen cup holder is made of class A casting acrylic panel, strong toughness, not easy to break, much stronger than glass, which ensures its durability and security. The acrylic brush holder is totally waterproof, very easy to clean, just need some warm water and a piece of cotton cloth, it will look brand new again!which allows approximately 20 makeup brushes to be organized. This pencil cup is not only a stationary for organizing your office accessories, but also can store the makeup brushes, lip/eye liners, glosses, blushes, hair accessories, nail polish, toothbrush, lotions, perfumes, jewelry, Q-tips and more. Give you an uncluttered space.Clear pen holders are made out of one solid piece of premium quality acrylic material, no seam lines.