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
BIC 4 Colours Original, Retractable Ballpoint Pens, Ideal for School, Medium Point (1.0mm), Multi-coloured, Pack of 3 : Amazon.co.uk: Stationery & Office Supplies