PopSockets Premium Grip with Swappable Top for Cell Phones, PopGrip Fly Me to Moon A PopGrip is more than a stylish phone accessory (we could go on about the fun, unique and expressive designs). It's an opposable thumb for your phone that provides you a better grip to take selfies, text with one hand, use as stand to watch your favorite videos or mount in your car for safe driving. When you're done using your device, it collapses flat. But the best part - change out your top to fit your style, mood, or needs. Easily removeable for wireless charging. Directions: The PopSockets base sticks to smooth, hard, flat surfaces only (strong adhesive). Pull twice to grip. Close flat to pocket. Kick back to watch. Swap your style: Close flat, press down and turn to swap tops. Move base as needed. To swap your top, close the grip flat, press down, twist 90 degrees. Compatibility: Swap your grip with other PopSockets grip accessories including MagSafe accessories like wallets, chargers, mounts and more. Enjoy the functional and practical use of PopSockets Grips. PopGrip with swappable top; close the grip flat, press down, twist 90 degrees to swap out the top for another design or remove it completely for wireless charging capabilities Offers a secure grip so you can text with one hand, snap better photos, and watch videos hands-free Designs allow for easy swappability Wireless charging compatible through easy removal of the PopTop Repositionable and sticks to most devices and cases (but may not stick to silicone or waterproof cases) PopGrips are compatible with all PopSockets grip products Dimensions: 38.82 mm diameter x 7.77 mm H and 24.3 mm H expanded