10 color pen

Tip sizes in these listings typically range from about 0.5 mm up to 2.05 mm. Common options shown are 0.5 mm, 1.0 mm, 1.2 mm (often labeled “Medium”), and occasionally 2.05 mm or other medium points.

Many use retractable or click mechanisms where you press or click a selector to engage a color. Some designs change inks by pressing a character, figure, or head on the pen to select the desired color.

Lengths in the listings vary from about 2.76 inches up to 7.44 inches. Many examples fall around 5.5–6.5 inches, with an approximate typical length noted near 6.25 inches.

Across listings, common colors include black, blue, red, green, yellow, orange, purple, brown, pink, and maroon. Other shades that appear among various sets include aqua, teal, turquoise, lime/lime green, gold, magenta, and mocha.

The listings show both ballpoint and gel inks. Some gel pens use a water-based pigment gel formulation, which is noted for color permanence and water resistance in certain items.

Descriptions and reviews commonly report smooth or ultra-smooth writing, vivid/bright colors, and fluid, non-smearing ink. Listings also note comfortable handling, quick-drying or fast-starting ink, and occasional water-resistant pigment formulations.