1. [Metal ring crutches] Samsung Z flip 4 ring sets, which can be hung on your hand when you go out to prevent loss. It can also be hung on the bag and become an accessory of the bag. It can also be used as a crutch for hands-free viewing, allowing you to watch movies or videos. 2. [Smooth silk touch] It is made of high-quality matte PC and TPU materials with ring support. It has excellent feel and perfect touch. The real shock resistance and scratch resistance make your phone more unique and attractive, and you will like it. 3. [Full protection] Galaxy Z flip 4 protective shell, with annular support, fall protection and unique four corner fall protection design, provides more convenient and smooth application for your life. Prevent accidental drop, vibration and scratch of the mobile phone. 4. [Exquisite grip, ultra-thin] The Samsung Galaxy Z Flip 4 ultra-thin shell will not be felt by the mobile phone, with excellent grip. Add a high-quality metal ring on the back so you can safely hold it when sending text messages and sharing. 5. [Precise button, perfect fit] The raised edge can prevent your Samsung Galaxy Z Flip 4 camera and screen from directly rubbing or contacting with the surface. Precision cutting technology gives you easy access to all buttons, controls and ports. Support wireless load.