Marvel Comic Variant Cover design. Official Marvel Merchandise Marvel Doctor Strange Phone Accessory, Tablet Stand, and Grip Holder; Doctor Strange Retro Doctor Strange Phone Grip for iPhone and More; Stephen Strange Phone Holder; Marvel Comics Phone Accessory 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.