Use on windshields, showroom windows, plastic, metal, wood or vinyl. Water based paint is oderless, non-toxic, fade resistant and waterproof once dry. Each marker is 4 3/4 inches tall except for the white marker which is 5 1/2 inches tall. Each marker has a 1/4 inch tip except for the white marker which has a 1/8 inch tip. These markers are available in 5 fluorescent colors plus white. White comes with fine tip.