Use a high-quality, super-concentrated liquid chalk Ink that provides bright, vibrant colors each and every time. Great for Restaurant Menu Boards, Bistro Boards, White board, LED Writing Board, Window & Mirror markers, Car Windows, Kids art, School work, Marking dates on food Containers, Ceramic Mugs, Chalkboard contact paper, Chalkboard Labels, Thank you stickers, Wall Decals and much more.AMAZING VERSATILITY GREAT FOR KIDS - chalk markers and Fun Pens are NON TOXIC and ODORLESS and will out last ANY other Colored Chalk Pens with their huge capacity.The Glass markers allow you to decorate any ordinary NON-POROUS surface - including chalk labels, mirrors, shop storefront windows, Blackboard, whiteboard, metal and more - into your very own canvasSUPER EASY CLEAN UP The bright, beautiful liquid chalk Ink in each marker is completely dust-free which makes cleanup a breeze for these erasable chalk pensSimply use a dry or damp cloth to wipe the chalk away without any smearing, streaking, smudging or messesNOTE: Some Chalkboards are Porous and some Non porous, all Chalk Markers are designed to be used on a Non Porous Surface so Please test on a small area first.REVERSIBLE TIP GREAT FOR TEACHING Make great Teaching Supplies as Teachers at Preschool, Kindergarten, High School and Colleges all love Chalk Markers as they can be used just like ordinary Wet Erase or Dry Erase Markers but the colors are So much more Opaque, the reversible 6mm tip gives you the option of fine tip markers for detail work or broad chisel tip markers for when big bold lines are needed.