About This Made of metal material,strong and lightweight structure. The bottom of the pencil holder is a 3.54x1.77 inch trapezoidal opening structure to meet your personal office needs. Each featuring a strong, magnetic backing, This storage cups can easily be stowed wherever you need them; Use them for your locker, filing cabinet or other magnetic surface. The simple design of the pencil holder helps you keep your tidy clean and beautiful.Also,a little gift for your kids or teachers. Magnetic Pencil Holder&Pen holder,Sanpaint pencil holders works perfect on whiteboards and blackboards. They works well as a marker holder or on your fridge. Note: When sticking to a non-iron plate or a plate with low iron content, the pen holder may slip off, and an additional magnet is needed to achieve the purpose of adsorption. Overview Specific Uses For Product : Stationery Material : Metal Special Feature : Adjustable, Moistureproof, Portable, Rust Resistant Color : 1 Pack Black-Fully Magnetized Backing Brand : Sanpaint Finish Type : Painted Mounting Type : Tabletop Mount Product Dimensions : 2"D x 4"W x 5"H Item Weight : 4 Ounces Number of Compartments : 1