PenAgain ErgoSof Pen Ehlers-Danlos Arthritis Carpal Tunnel Pain Relief Blue (00021) RETRACTABLE POP-TOP Mechanism - There's no separate cap to lose and you wont have to worry about leaks. COMFORTABLE FEEL - Unique ErgoSof soft-touch coating feels great in your hand and is easy to grip. NO-SLIP GRIP - The PenAgains Y formation ensures that your fingers will not slide down its shaft as with conventional pens. GREAT FOR Ehlers-Danlos, Arthritis, and Carpal Tunnel Pain Relief