WWII Fighter Aircraft design. A great design that will be enjoyed by any one into military history, WWII fighter planes. WWII, Flying Tigers, P-40, P-38, military, army, veteran, Warbird, nose art, shark mouth, pilot, war, fighter plane 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.