It can be used on the floor, bed, or chairYears of hard work, prolonged sitting, & bad posture apply damaging tension to your vertebrae, Thiscauses your spinal discs to squeeze out of place & put pressure on your nerves, leading to thatsharp pain in your neck, lower back, and down your leg/s. prevent further injuries &correct postureLying down on Refresh for just 10 minutes a day, progressively solves the root cause of your discomfort by gently stretching your back & decompressing your vertebrae - allowing bulging or herniated discs to retract & repair. stretching your neck with Refresh reduces-tension headaches migrainesnaturally restores the optimal curvature of your spine, & retrains your muscles to maintain a healthy posture for good, thus removing the stress from the vital areas of your torso newest version of the Refresh neck &back stretcherThis takes damaging tension ff your spinal nerves, leaving you with a healthy, pain-free back & asmile on your face. Forever. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin