Bloomin Book Band Pen Case LIHIT LAB. A pen case that becomes a book band. Easy to attach and detach with a button. Made of silicone, making it easy to handle. Unused, in excellent condition. Color: Lily White Dimensions: 52mm x 32mm x 190mm Capacity: Approximately 2-3 pens Materials: Body / Silicone rubber, Band / Polyester, Rubber A rare pen case that is no longer in production.