Animated Character Portrait design. Officially Licensed Nickelodeon Invader Zim Apparel; Copyright 2019 Viacom 19NKIZ00017B-001 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.