Kuny's Elastic Back Support Belt with a 203mm (8in) wide heavy-duty elastic back panel, and 127mm (5in) wide heavy elastic side bands for perfect fit. It has 32mm (1.1/4in) wide elastic adjustable braces with 4 internal stays which provide extra support, and tapered front panels for comfort while bending. Fit&rsquos waist sizes 29in to 46in.