Spectrum Noir Marker Set - Browns - 6piece/pack Next Generation Perfect for Artists, Rubber Stampers, Paper Crafters, Adult Color Books and more Each marker is double-ended - bullet tip for detail work & broad chisel nib for filling larger areas Contains pre-matched color tone family with 3 "warm" colors and 3 "cool" colors Achieve professional results with effortless shading, blending and color matching Acid Free, Non-Toxic and Safe to Use