Sharpies, the best permanent markers in the world, now come in a variety of colors, as well as the traditional black: they are available in yellow, blue, green, orange, red, brown, purple, turquoise, lime, aqua, berry, olive, marigold, navy, plum and burgandy.

There is also a metallic Sharpie® marker. The Sanford Company recommends that you store your metallic Sharpies tip down, to increase the fluidity of metallic flakes (In case you were wondering about that). The Sharpie® website - www.sharpie.com - contains all kinds of useful information, such as:

"The ink in the SHARPIE® Ultra Fine point is the quickest drying ink of the entire SHARPIE® marker line."
It also tells you the Physical and Chemical Properties of Sharpie Ink, which are :
Boiling Point: 207 degrees Farenheit
Specific Gravity: 0.80
Vapor Pressure: 13 mm Hg at 20C
Water Soluable: Yes
Evaporation Rate: 1.3

Sharpies come in a variety of sizes. There is Super, Chisel, Fine, Extra Fine, and Ultra Fine. The company also sells "Twin" Markers, which have two tips, one on each end. There is the normal Twin, in which one end is Fine and the other Ultra Fine. In the "Super Twin," one end is Super and the other is the Chisel size.

Various Uses of a Sharpie® Marker: