Black Chisel Tip Jumbo Permanent Marker (3/Pack). Permanent on most hard-to-mark surfaces. Such as glass, metal, photos, coated paper and most plastics. Large ink supply. Pocket clip adds style and convenience. Cap color indicates ink color. Durable tip lasts even after writing on rough suface. Bright, vivid color provides maximum impact. Quick-drying, fade and water resistant ink. 3 Per Pack.