Premier Dual-Ended Art Markers feature a precision point on one end for crisp details & a fluid brush tip on the other end for layering & coverage. Effortlessly pivot between fine lines & smooth brush strokes. Fluid brush lays down thick, thin or varied lines in one stroke. Ink is alcohol-based, acid-free, lightfast & resists fading so your creations will endure. Richly saturated ink is designed for an effortlessly smooth flow while the single source of ink ensures color consistency at both ends.