Large Desk Style Permanent Marker, Chisel Tip, Black, Dozen, Sold as 2 Dozen Large chisel tip permanent marker for most surfaces including cardboard, metal and plastic. Low-odor, water and rub-resistant ink. Bold, low-odor ink provides high visibility from a distance on most surfaces including cardboard, metal and plastic. Permanent ink is quick drying, water and rub resistant. The durable chisel tip marks in a variety of line widths. Large size has a generous ink supply for extra long life.