Features: Relieves back pain Improves posture and increases flexibility Helps relieve pain associated with cramps, headaches. Relieve Back Pain & Posture Correction:5 minutes twice a day of using this back stretcher is able to help relieve tension & Effective in treating pain from muscle spasms, pinched nerves, herniated discs, sciatica, degeneration, tight knots, excessive flexion and more! The back stretcher and lumbar support is uniquely designed to help correct and improve posture. Improves Flexiblity: Stretching your back on a daily basis enables you to strengthen the muscles of your back. In this way, your body can then be better prepared to take in the stress of your profession or lifestyle. Sturdy & Portable: Constructed with a durable composite material, the back stretcher safely supports up to 440 pounds. Ideal for use at home, at chair, at the gym, in the car or yoga mat.