Officially Licensed Disney Alice in Wonderland Accessories – Disney Accessories; Disney Popsockets; Alice in Wonderland Popsockets; Disney Cell Phone Cases; Alice in Wonderland Cell Phone Cases; Disney Pillows; Alice in Wonderland Pillows 19DNAW00021B 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.