Great Dog Lover Phone Grip for Owners of German Shepherds, Police Dogs and Guard Dogs Perfect Gift for Animal Lovers, Rescue Pets Owners and Folks that Own Forever Home Pets Rescue Animal, Shelter Pet, Adopt, Not Shop, Spay, Neuter, Puppy in a Pocket, Alsatian Wolf Dog, Berger Allemand, Deutscher Schaferhund 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.