Slap-Stick Magnetic Label HoldersJust "slap" them on for quick labeling. Heavy-duty vinyl sleeves with magnetic backing for easily attaching to any metal surface. Ideal for labeling file cabinets, drawers, bins, lockers, and more. Magnetic back allows quick repositioning or removal. Colored vinyl with clear label pocket. Includes blank inserts. Color(s): Black; Size: 4 1/4 x 2 1/2.