Safco Products 2008GR Rumba Magnetic Eraser Tray for select Rumba Collaboration Screens (sold separately), Gray Eraser tray for Rumba Collaboration Screens Magnetic rubber on back ABS plastic constructed tray Holds erasers and dry erase markers (not included) For Use with Safco Products Rumba Screen Models 2014WBS, 2015WBS, 2016WBS, 2017WBS, sold separately Eraser tray for Rumba Collaboration Screens Magnetic rubber on back ABS plastic constructed tray Holds erasers and dry erase markers (not included) For use with Rumba Screen Models 2014WBS, 2015WBS, 2016WBS, 2017WBS, sold separately