Zebra® Z-Grip Black/Blue/Red Medium Retractable Ballpoint Pen Is Perfect Not Only For Writing Notes, But Also For Signing Papers And Doodling. Rubber Grip Makes These Zebra® Pens Comfortable And Easy To Control. Zebra® Z-Grip Ballpoint Pens Won't Slip Out Of Your Fingers And Keep Your Hand Cushioned While Writing. Monitor Ink Supply Through The Translucent Barrel. See-Through Barrel Allows You To Keep An Eye On The Ink Supply And IMMediately Identify The Ink Color You're Looking For.