High Quality Materials: This cell phone ring holder is made of a zinc alloy and stainless steel, durable and sturdy. With electroplating, the surface is smooth and exquisite. Compared with the traditional phone ring holder kickstand, it is not easy to fall off and has no peculiar smell.Note: NOT compatible with the Silicone/Glass/Leather/Fabric surfaces, may also NOT compatible with curved/frosted/3D/pump phone cases, check your phone’s/case’s material first!!! Multi-Functional Phone Stand: The phone ring holder can be used as a finger ring grip or a tablet kickstand. Made of non-magnetic zinc alloy, it works well with your magnetic car phone mount. (Magnetic car mount NOT Included!!! no built-in magnets for this grip.) item dimension: 2.75in *1.8in(7cm*4.5cm). Strong Adhesive: With powerful and sticky tape, the phone ring stand can be attached to your cell phone or tablet tightly. Secure your phone for walking, traveling, hiking, playing game by one hand. Free Rotation: 360° Rotation & 180° flip, can provide you more viewing angles than other cell phone ring holder or phone stand, which allows you to touch more spots on screen with one hand operation. Wide Compatibility: The phone ring holder finger kickstand is compatible with almost all smartphones & tablets, etc.just let us know if you meet any issue, we will always answer back within 24h! And we provide 1 year guarantee for all items.