Outstanding performance and creative versatility these markers provide the ultimate solution to design flexibility and artistic liberty. Unique design for a more comfortable grip that will not roll away from you, fit into a special airbrush system, durable polyester nibs are easily interchangeable and available in nine different weights and styles. Guaranteed color consistency. They are excellent for all forms of illustration, design, scrapbooking, fine art and more. They are low-odor, blendable, fast drying, alcohol based, non-toxic, refillable, and double-ended for use on paper, leather, wood, fabric, plastics, and more. Available in a variety of sets, each sold separately. This package includes five Sketching markers and one multi-liner marker (0.5).