Product Details: Multi-level adjustment arch for greater reach. Equiped with 88 massage protrusions, corresponds your body acupuncture points, massages your lumbar spine while stretching. You can use it while sitting, help you to correcting your sitting posture and massage your lumbar spine. Helps relieve chronic back pain, correct postural imbalance, restore the natural curvature of the back. Improves flexibility in shoulder and back muscles. Made of fine quality ABS plastic, environmentally friendly, tough and unbreakable, pressure resistant, compact and portable design can nicely put into the luggage. With soft rubber mat in the middle, cushion impact force, give your waist better protection. Three different levels can be adjusted, provides you better treatment. Ease back pain, improve posture, increase range of motion and flexibility. Simple and user friendly, adjustable and portable, you can use anywhere you want. You can just lie down and relax for five minutes twice a day. An intimate gift for family and friends. Specifications: Name: Lumbar Spine Massager Stretcher Material: ABS plastic + rubber Color: purple , blue,gree,pink Pedestal length: 385mm / 15.16in Highest acceptable weight: 250000g / 551.16lb Package size: 400 * 250 * 30mm / 15.75 * 9.84 * 1.18in Package weight: 540g / 19.05oz Package list: 1 * Spine Massager Stretcher