It can be used on the floor, bed, or chair ----- Years of hard work, prolonged sitting, & bad posture apply damaging tension to your vertebrae, This causes your spinal discs to squeeze out of place & put pressure on your nerves, leading to that sharp pain in your neck, lower back, and down your leg. Refresh- Neck & Back Stretcher ----- Years of hard work, prolonged sitting,& bad posture apply, This can cause your discs to squeeze painfully, Arc stretching, supporting the spine, physical traction, and relieving lumbar pain. Simple steps ----- Lying down on Lumbar Soothing Device for just 10 minutes a day, progressively solves the root cause of your discomfort, and eliminates agonizing neck & back pain at home. Easy to Use ----- Back stretcher posture corrector It can be used on the floor, bed, or chair, to prevent further injuries &correct posture. Quality service ----- If you have any questions about the product, please feel free to contact us, looking forward to hearing from you!