PROFLEX 1650 ECONOMY ELASTIC BACK SUPPORT BLACK 4-X-LARGE ECONOMY ELASTIC BACK SUPPORT ALL ELASTIC 7.5-INCH BODY FOR EXTRA FIRM SUPPORT UL STYLEMARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX; 7.5 (19 CM) ECONOMICAL ALL-ELASTIC BODY 5 (12.7 CM) SINGLE STRAP CLOSURE NON-CONDUCTIVE POLYPROPYLENE STAYS RUBBER TRACK WEBBING STRETCHABLE BIAS BINDING WITH ZIG-ZAG STITCHING ADJUSTABLE DETACHABLE SUSPENDERS