With the Samsung Galaxy Z Flip 4 Silicone Back Cover Ring Purple, you protect your device and keep a firm grip on it. There's a ring on the back of this case that lets you hold it securely. This comes in handy if you're in a video call or taking a selfie. This back cover protects the entire back of your Samsung Galaxy Z Flip 4. The case is made up of 2 parts, so you can still easily fold your smartphone. When your device is folded, all sides of your smartphone are protected.