ESR Pencil Holder Compatibility: Compatible with the 1st and 2nd generation Pencil as well as other similarly sized styluses, not compatible with the LAMY AL-star EMR, Surface Pen, or other large styluses Adhesive Backing: Strong adhesive keeps the pencil holder securely in place Elastic Sleeve: The elastic pouch holds your pen more securely and makes grabbing or storing your pen quick and easy Customizable Use: Choose the location of the holder on your device or case that’s best for you Simple Design: Combines PU leather and soft Lycra for a simple, stylish, and classic look