Pack of 24 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.When using on all the recommended surfaces, the Liquid Chalk markers can be erased easily by wiping the area with a paper towel or damp cloth (included).The price on this page is 24 color set, we also have 8 color, 10 color, 12 color, 36 color, 46 color set