Organize your supplies while making a colorful desk top accessory! Stack these individual Spectrum Noir Marker Storage Trays vertically, at a slant, or side by side to create a custom storage solution that is uniquely you! The options are endless and these tray hold anything with a diameter up to 5/8 in. so they'll also hold most other pens, markers, pencils, and more. This set includes 6 stacking trays with 12 slots per tray to hold 72 markers.