4-Color Multi-Color Ballpoint Pen by BIC® BICAMP21 | OnTimeSupplies.com
Amazon.com : BIC 4-Color Original Retractable Ball Pens, Medium Point (1.0mm), 12-Count Pack, Retractable Ball Pen With Long-Lasting Ink : Office Products
Amazon.com : BIC 4 Color Ballpoint Pen, Medium Point (1.0mm), 4 Colors in 1 Set of Multicolor Pens, 3-Count Pack of Refillable Pens for Journaling and Organizing : Rollerball Pens : Office Products