Chartpak Ad Markers L Landscape colors Tri Nib Tip, 25 Color Set. Professionals and art students use these legendary markers to produce perfect ad comps, architectural renderings and self -expressions. Tri-nib design allows line width variation as you draw: fine, medium and broad. Fine point offers a bold, constant line width. Rich, vibrant colors perfect for blending and shading. Works on a variety of surfaces. Non-toxic, solvent-based formula conforms to ASTM D 4236. Colors include: Warm Gray #1, Warm Gray #3, Warm Gray #5, Warm Gray #7, Super Black, Sapphire Blue, Blue Glow, Sky Blue, Pale Lime, Turquoise Green, Blue Green, Deep Evergreen, Grass Green, Leaf Green, Celery, Pale Olive, Olive, Lilac, Scarlet, Goldenrod, Brick Red, Kraft Brown, Pale Sepia, Beige, and Pale Flesh. Comes with plastic tabletop cube for marker storage. Made in USA.