Pilot VBall RT Retractable Rollerball Pens, Fine Point, Black Ink, Dozen Nitrile Glove Distinguish between positive and negative Cup Size Compatibility:Compatible with 10 12 16 Oz. hot cups Distinguish between positive and negative numbers at a glance when you use this calculator ribbon Box is made of 30 percent recycled content and is an ideal choice for packaging goods materials securely Barrel Material: Plastic Brand Name: Pilot Erasable: No Grip: Grip Ink Color: Black Pen Barrel Color: Black Pen Pack Size: Dozen Pen Point Size: 0 clear lines every time you write with Pilot VBall RT Retractable Rolling Ball Pens