<b>STSTECH Waist Protection,fits women and men up to 36" waist.</b><br /> Check your posture immediately and relieve lower back pain by using 20 Mins per day to form good sitting posture.<br /> Do not waste hundreds on one chair while you can make every chair ergonomic.You can throw waist protector in bag and sit in comfort with great back support while you work, travel or even when you meditate. Just unzip, fold around your back and knees, and have perfect seated posture in ten seconds flat! Make every chair ergonomic with waist protector.<br /> <b>How to Use : </b><br /> 1, Sit down and Place the waist pad on the waist.<br /> 2, Set the knee pad into the knees.<br /> 3, According to your elastic requirements to adjust the band on both sides.<br /> 4, Button up the buckle .[Optional but helpful]<br /> (20 minutes a day and your sitting/standing position would be lot of correction.)<br /> <b>PRODUCT INFO</b><br /> Size of waist pad :15.7 * 7.9inches<br /> Weight :about 250g<br /> Materials :black cloth+3mm Sponge+ 1680D cloth<br /> Package includes:1x Back Support Belt<br /> <b>Note</b><br /> 1, The item is a functional product and comes with few straps, please use it in the correct method with little patience to play its role.If you don't know how to use or encounter any problems, please contact us freely, we're always behind to resolve your case.<br /> 2,If knee hurts during use,please handle by adjusting both side straps and the knee pressure.<br /> 3,To avoid any danger of suffocation keep away from babies and children. Do not use in cribs, beds, carriages or playpens. This bag is not a toy. Minors must be accompanied by their parents to use.