? JUZR Multi-Level Back Stretcher Posture Corrector Device for Back Pain Relief with Back Support Mate Magic Back Stretching Massage (Multicolour)1. A convenient at-home back pain treatment and preventative care product for people of all ages.2. Tough and thick hi-tech ABS plastic for long durability.3. Unique design according to human body's physiological curve of the spine, better eliminate the source of back pain.4. Multi-level adjustments: 3 different height level stretching arch, choose the suitable level for your body, and exercise your back in a healthy way.5. Greatly help to relieve chronic back pain and correct postural imbalance, restore the natural curvature and improve flexibility in shoulder and back muscles.6. Use as daily traction therapy: thumb tip nodes on product surface like massage, stimulate the back points and promote blood circulation.7. Simple and easy to install and use, lightweight and portable to use in travel, at home or office Direction: Comes in separate parts. Assembly required Please start stretching slowly to prevent muscles excessive pain Please stop if you feel uncomfortable and consult your doctor.? How To Use Multi-Level Back Stretcher Posture Corrector Device? Step 1 :-Less intensity. Start pulling for a moderate stretch for the first time user.Installed Lay it Flat on the Floor? Step 2 :-Moderate efforts. Moderate intensity give the waist a suitable support.Sit with your back to the arch.slowly lie back into the support arch with your knees bents? Step 3 :-Strong efforts. Greater stretch for advanced users.Using the device 1-2 times a day for 5-10 minutes a sessionUsing the device 1-2 times a day for 5-10 minutes a session.Strong Enough : Made of very tough ABS plastic, reliable quality and long service life. Can hold (150KG) weight.</p