MasterVision Magnetic Accessory Smart Storage Box, 3-7/8" x 9" x 2", Gray (SM010102) Storage box adheres to any magnetic surface; can also be mounted on wall 4 spacious compartments hold your markers, magnetic accessories, cleaners and more in place Includes hooks for keys and a clip to hold papers Helps to keep supplies neatly organized Ideal for use with MasterVision's magnetic dry erase boards