These waterproof, permanent solvent-based markers deliver brilliant sparkling color in fine, medium, or broad strokes. Each marker contains a single nib with three distinct line weights, giving you all the lines you need. - Chartpak Ad Markers - Architectural, Set of 25Chartpak ad Marker, ARCHITEC 25/SET - Includes P117 Aqua, P44 Banana, P137 Beige, P74 Brick Red, P209 Bright Orchid, P35 Chrome Green, P62 Chrome Orange, P181 Cool Gray 1, P183 Cool Gray 3, P185 Cool Gray 5, P187 Cool Gray 7, P189 Cool Gray 9, P24 Dark Olive, P11 Dutch Blue, P26 Forest Green, P55 Kraft Brown, P136 Light Ivy, P31 Olive, P34 Pale Olive, P15 Process Blue, P178 Purple Sage, P69 Redwood, P142 Sand, P18 Slate Green, and P100 Super Black.