Listing is for two. One is still new in bag. Other was only used for a few days. My guy broke a rib in his back and we were trying to find a way to stabilize him since they don’t wrap for broken ribs anymore🤷🏻‍♀️ Used one has been washed but has a cpl spots of sealant on adjustment straps (pic 7) from him working. * Relieves back pain with posture correction * Improves circulation through spinal alignment * Improves your mood by increasing blood flow throughout your body * Reminds you to improve your posture The Upper Back Posture Corrector uses posture correction to relieve back pain and increase blood flow. It’s worn just like a backpack, without a pack. When used, the shoulders are pulled backwards, and the chest muscles are stretched to counteract the slouching position common when sitting at a computer.