Waist Massage Yoga Stretching Back And Lumbar Spine EVA Features: neck and back stretcher --- Years of hard work, prolonged sitting,& bad posture apply, This can cause your discs to painfully, Arc stretching, supporting spine, physical traction, relieving lumbar . Neck And Back Stretcher --- This takes damaging tension ff your squeezing , leaving you with a , - back & asmile on your face. Simple steps --- Lying down on Lumbar Soothing Device for just 10 minutes a day, progressively solves the root cause of your discomfort, agonizing neck & back at home. Back and neck stretcher --- the optimal curvature of your spine, & retrains your muscles to maintain a posture for good, thus removing the stress from the vital areas of your torso. Easy to use --- back stretcher It can be used on the floor, bed, or chair, further injuries &correct posture. Product Description: Waist Massage Yoga Stretching Back and Lumbar Spine EVA Material: EVA Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 400g Package size: 21x25x10.5cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) neck and back stretcher --- Years of hard work, prolonged sitting,& bad posture apply, This can cause your discs to painfully, Arc stretching, supporting spine, physical traction, relieving lumbar . Neck And Back Stretcher --- This takes damaging tension ff your squeezing , leaving you with a , - back & asmile on your face. Simple steps --- Lying down on Lumbar Soothing Device for just 10 minutes a day, progressively solves the root cause of your discomfort, agonizing neck & back at home. Back and neck stretcher --- the optimal curvature of your spine, & retrains your muscles to maintain a posture for good, thus removing the stress from the vital areas of your torso. Easy to use --- back stretcher It can be used on the floor, bed, or chair, further injuries &correct posture.