Mattehop Ballpoint Pen 1.0 Box of 21 ColorsThe Mattehop Ballpoint Pen Box of 21 colors features a range of bold colors in a gift ready bright red metal box. Drawing and writing with Mattehop Ballpoint Pens is akin to painting. Each 1. 0 mm pen lays down rich, opaque ink with a matte finish that pops on light and dark surfaces, or even glossy paper such as photos. We recommend using them with Nuuna's Not White notebooks. At Misc Store Amsterdam we carry a range of Mattehop colors, as well as