ARTBIN-Marker Storage Satchel. Keep your art supplies organized and easy to find. This satchel features one tray that holds up to sixty- four markers/pens and two plastic removable dividers. The 15x8x6-1/2 inch translucent case snaps shut and has a handle for easy carrying. This package contains one Marker Storage Satchel. Keep your art supplies organized and easy to find. This satchel features 1 tray that holds up to 64 markers or pens and 2 plastic removable dividers. Case snaps shut and has a handle for easy carrying.