Tombow ABT PRO are alcohol based markers. These high-quality, resilient markers feature a brush tip and firm chisel tip. Permanent, fast drying alcohol-based ink produces rich, vibrant colors that can be layered to create rich saturation, shading, and color gradation. Ideal for artists, designers, and crafters. Choose between the Tombow ABT PRO 5-pack Blendable sets or the 12-pack themed sets, which include stackable, reusable trays.