Sets of permanent, oil-based opaque valve action paint markers that mark on most surfaces including metal, pottery, wood, glass, plastic and stone. Ink is fade-, water- and abrasion-resistant for a long lasting, durable mark. The ink is AP Certified non-toxic and acid-free. The 5-pen basic SA1770458 set consists of black, gold, red, silver and white in medium point size. The 5-pen fashion SA1770459 set consists of aqua, lime, orange, pink and purple in medium point size. The 5-pen SA37371 set consists of black, blue, red, white and yellow in fine point size.