Avery Regular Desk Style Permanent Markers, Chisel Point, Black/Blue/Red Inks, Pack of 4 Sold as 4/ST. 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. Safe for office, school or home.