Amazon.com : Tombow ABT Dual Brush Pen with two tips, Pastel colour, 12 pieces (ABT-12P-2) : Arts, Crafts & Sewing
Tombow ABT Dual Brush Pen set of 6 Pastel Colors
Amazon.com : RESTLY 50 Pastel Colors Brush Markers Pens for Adult Coloring Books, Dual Tip Brush Pen Art Markers, Fine Tip Coloring Marker & Brush Pen Set for Note Lettering Drawing Sketching