SHARPIE SUPER TWIN TIP PERMANENT MARKER, FINE/CHISEL, BLACK INK, DOZEN SUPER SHARPIE IS DOUBLE ENDED, GIVING YOU A FINE TIP AND CHISEL TIP AS WELL AS A LARGE INK RESERVOIR FOR EXTENSIVE PERMANENT MARKING. TWO TIPS ARE GREAT FOR BOTH BIG AND SMALL JOBS. QUICK DRYING, FADE RESISTANT AND WATER RESISTANT INK IS PERMANENT ON MOST SURFACES AND ENCOURAGES MULTIPLE PROJECT USES. CERTIFIED AP NONTOXIC. QUICK-DRYING INK/WATER RESISTANT/FADE RESISTANT/NON-TOXIC.