The Schneider Maxx 130 Permanent Marker is suitable for use on almost all types of materials, including: cardboard, paper, plastic, glass, metal, and wood. The bullet tip writes in two approximate line widths, approximately 1 mm and 3 mm, and cap has a practical, sturdy clip. With its quick-drying, waterproof, and highly light-resistant format, the Maxx 130 will not dry out, even if the cap is left off for 2-3 days. Low-odor ink is free of toluol and xylol. Housing consists of 95% recycled plastic. Includes reusable wallet with four (4) markers: black, red, blue and green.