There is the choice of attaching this tray magnetically or with self adhesive tape. Both included.
Magnetic Folding Wings - Magiboards USA
Whiteboard Marker Pen Holder, Space for 4 Pens
CHAT BOARD Pen Tray Chat board, Tray, Pen
Mobile Stand Accessories - Magiboards USA
Magnetic Reversible Mobile Whiteboards - Magiboards USA
Simetufy 2 Pack Magnetic Dry Erase Marker Holder, Whiteboard Marker Holder, Magnetic Marker Holder, Magnetic Pen Holder for Whiteboards
STRONG MAGNETS: Securely attaches to metal surface without sliding and falling.However it does NOT fit for glassboard and other surface which are not
Magnetic Dry Erase Marker Holder,Pen and Eraser Holder for Whiteboard,Magnet Pencil Cup Utility Storage Organizer for Office, Refrigerator, Locker and
Magnetic Dry Erase Whiteboards - Custom Printed - Magiboards USA
Simetufy 2 Pack Magnetic Dry Erase Marker Holder, Whiteboard Marker Holder, magnetic Marker Pen Pencil Organizer for Whiteboards, Refrigerator(Black) : Office Products