This PopGrip has a swappable top — just close the grip flat, press down, and twist 90 degrees to swap out the top. Then, you can swap in a new PopTop or do a little wireless charging. Or just click it in and out again and again to give your fidgety hands something to do.- Features our proprietary SwapTop- Easily swap the top to change your style- Easily remove the top to wirelessly charge your phone- Offers a secure grip so you can text with one hand, snap better photos, and watch cat videos hands-free- Functions as a convenient stand so you can watch videos on the fly- Repositionable and sticks to most devices and cases (but may not stick to silicone or waterproof cases)- Allows for hands-free use with the PopMounts. Compatible with all mounts sold today- Dimensions: 39.74 mm diameter x 7 mm H and 24.25 mm H expanded- Sticks best to smooth hard plastic cases. Sticks to iPhone 11; will NOT stick to iPhone 11 Pro or iPhone 11Pro Max without a suitable case.