The Pen Plus case is a great storage case for insulin and diabetic supplies. It holds all the necessary supplies for those individuals on the go. This ergonomic pouch can store 4 vials or 2 insulin pens as well a glucometer and other diabetic supplies in its protective pouch. The case has a detachable hand strap so it can be carried and there's a loop on the Pen Plus to attach it to a belt. The Pen Plus case can be easily stored inside a purse or briefcase due to its compact nature.