Color Wand Reversible Tip Liquid Chalk Markers $15.99, Save 60% is available at Amazon. Markers measures 7.5 x 4.7 x 1.1 inches and weighs 10.4 ounces. These liquid chalk markers can be used on extremely wide range of materials, any non-porous surface. Also great use on ceramic jars, Cafe menus, Gym boards, DIY projects, Draw on toys, Signs.