Sharpie® Magnum® Permanent Marker, Blue Ink, Chisel Tip, 3/4 in Tip, Aluminum Barrel, Composition: Dyes, 1330-20-7 Xylene, 1319-77-3 Cresol, Liquid Form, Xylene Odor/Scent, 7.13 in Length, 100 deg F Flash Point, 0.864 Specific Gravity, Applicable Materials: Aluminum Foil, Ceramic, Tile, Concrete, Stone, Brick, Boxes, Metal, Plastic, Vinyl, Wax Paper and Wood