OOLY Color Luxe markers: Dual tips unleash a spectrum of creativity. This set of 20 double-ended markers gives artists of all ages the power to create detailed lines or broad strokes with vibrant color. Each marker features a flexible brush tip on one side and a 0.7mm fine tip on the other, making them ideal for everything from intricate illustrations to bold lettering. The washable, non-toxic formula ensures worry-free fun for ages six and up.