This product issuitable for a variety of lumbar spine disease.There are a lot of factors, suchas sedentary due to long time work and weight gain , that lead to growingpressure on our waist and cause waist pain, lumbar disc herniation, and lumbarspinal canal narrowing. ZSZBACE developed this inflatable waist by using theprinciple of inflatable expansion, coupled with the use of high-qualityflexible materials, according to combined analysis for various types of lumbardisease. ZSZBACE provide a mitigation plan for everyone troubled by lumbarspine disease. How to USE it? 1.Please loose leather belt before using. 2.Wearing belt between the lower rib cage and hip - round your lower backgroundyour lower back, attaching the belt firmly by velcro. 3. Clip pump onto the airvalve of the belt, and then inflate the belt by pumping the pump. 4. The mosteffective traction effect is obtained when the air pillars of belt are fullyinflated. 5. It is recommended that initially the belt be worn for 30-60minutes at a time, if no side effects or pain is experienced then the usagetine can be periodically extended. 6. Before taking off the belt, unscrew thepump and press the air valve key until the air escapes, ensure the belt isfully deflated then loosen the belt. Note: 1. We suggest not wear the belt whensleeping. 2. You can wear it as long as you are comfortable once you get usedto it. Someone wear it all day, others wear 8 hours a day while working, itdepends on you. 3.When we inflate for the product, if the air hole at the rearof the inflator starts to exhaust, we should stop inflating immediately toprevent the air column from rupturing due to over inflating.