Crayola 40Count Ultra-Clean Fine Line Markers; Washable, Fine Tip for Details, Stocking Stuffer, Gift Bring home 40 of our vibrant Fine Line Markers in this Ultra-Clean Washable set! What does ultra-clean mean? It means that these markers wash off skin, furniture, common household surfaces, and even painted walls. Fine Tip Markers make it possible to give your artwork the detailed embellishments every artist strives to create. Non-toxic Colormax colors are our brightest, truest colors yet! Great coloring supplies for adults and kids. material: CRAYONS.