XCSOURCE 40pcs Color Marker Pen Set Alcohol Twin Tip Broad Fine Point for Art Sketch Graphic Black Body TH259 AP Non-toxic. Alcohol-based ink dries acid-free. Great fit for artists and crafters. The brush marker is an ideal tool for sketching and scribbling. The Sketch has two standard tips: Broad and Fine. What you get: 40 Color Marker Pen Set, Pouch.