If you're obsessed with both books and dragons, then this funny "In a world full of bookworms, be a book dragon" design is perfect for you. It's great for those who easily distracted by dragons and books. Also perfect for bookworm, book lover, bookish If you're book lover, and be fascinated by the world of magic and the power of dragons, wings and fire, then this funny books and dragons design is perfect for you. Great gifts idea for your son, daughter, grandson, granddaughter... who loves books Adhesive backing attaches the PopGrip to your case or device. Will not stick to silicone, leather, waterproof, or highly textured cases. Works best with smooth, hard, plastic cases. Not compatible with wireless charging Printed top is swappable with other compatible PopGrip models. Just press flat, turn 90 degrees until you hear a click and remove to swap.