1、Suitable to wear it on the surface of your skin or underwear surface directly. . 2、Hook & loop design on the belt makes it can be adjusted according to different waist size. 3、Ergonomic design, anti-C shape of the belt can provide strong support for the waist. 4、Exquisite workmanship, made of quality compact material, durable and lightweight. 5、Reduce intervertebral disc pressure, promote intervertebral disc retraction, and relieve the stimulation and compression on nerve roots and other tissues. Features: 1. Suitable to wear it on the surface of your skin or underwear surface directly. . 2. Hook & loop design on the belt makes it can be adjusted according to different waist size. 3. Ergonomic design, anti-C shape of the belt can provide strong support for the waist. 4. Exquisite workmanship, made of quality compact material, durable and lightweight. 5. Reduce intervertebral disc pressure, promote intervertebral disc retraction, and relieve the stimulation and compression on nerve roots and other tissues. 6. Eliminate inflammation and promote blood circulation. 7. Relieve muscle spasm and improve local blood circulation. Specifications: Condition: 100% Brand New Material: PU Inflatable Size: Approx. 115 x 19.5cm / 45.3 x 7.7in Pre-inflation Size: Approx. 115 x 13cm / 45.3 x 5.1in Extension Pad Size: Approx. 25 x 11cm / 9.8 x 4.3in Functions: 1. Reduce intervertebral disc pressure 2. Eliminate inflammation 3. Promote blood circulation 4. Relieve muscle spasm Usage: 1. Wear the  belt on the skin surface or underwear surface directly. 2. Wear it over the crotch bone and under the soft rib arch, and close the hook & loop. 3. Connect and align the charging pump clip with the air nozzle, and inflate the belt by pressing the air pump by foot or hand. 4. It is better to inflate the belt until the air column is completely expanded, which is not easy to be too full 5. Wearing 30-60 minutes, according to the actual situation can be extended without harm. 6. Release the pneumatic traction belt during sleep. 7. Unscrew the air charging valve or press the valve thimble to release air before undoing the traction belt. 8. It is recommended to remove the belt or waist accessories before use for better feeling. 9. Use 30 minutes before bed for better results. Package List: 1 x Belt 1 x Extension Pad 1 x Inflator Pump