ABEIER Whiteboard Pens Markers, 4 Assorted Colors Dry Erase Markers, Home Office School Supplies, Bullet Tip Low Odour (Pack of 36)FOR MOST NON POROUS SURFACE: Dry wipe board pens roll fluently on most smooth surfaces,such as Menu Boards Cafe, Pub and Bistro Menus, Chalkboard Labels, Plastic,Car Window, House Windows,s, Glossy Boards, Mirrors and so on. ERASE EASILY: White board markers can be easily wipe off whiteboards, glass, mirrors and most non porous surfaces with a cloth, paper towel or felt eraser without leaving any smudges, streaks, smudging or smudging! If you want to