Simple And Easy To Use Mini Chalk Boards.Ideal For Communicating Prices, Table Numbers, Messages, Menus Or Special Information And Promotions.Synthetic Non-Porous Surface For Writing On With Liquid Chalk Markers.Writing/Art Work Is Resistant To Smudging. Simply Wipe Clean With Wet Soapy Cloth Or Use Cleaner (SECCLEAN-GR) To Reuse Surface.