Core-Tex Sit Family 5-Pack

Buy 5 and get your 6th for FREE. Get Core-Tex Sit for your family, friends, and co-workers.  Makes a great gift for almost anyone and they will love you for it! Give Your Back the Motion it Needs & Strengthen Your Core While Sitting Provides relief and prevents stress from accumulating on the lower back. Strengthens abdominal muscles and lower back while sitting.  Great for posture and improved focus while working. Easy to use: Simply place Core-Tex Sit on your favorite firm chair and sit on it. No assembly or maintenance required.