UNISAN-SUPPORT,BACK,DLX,MED,BK. Deluxe Back Support, 7" Back Panel, Single Closure, Suspenders, Medium, Black. Whether you're walking, squatting, lifting or turning, a hard-working back support can make the job easier and more comfortable. This single-closure back support protects the lower lumbar area, reduces the chance of back stress and injury, and encourages proper body mechanics. Retains memory for continued firm support. 7" wide back panel, 5 flexible stays for support and adjustable suspenders for customized comfort. Back Support Type: Belt; Material(s): Elastic; Nylon; Polyethylene; Width: 5 in; Depth: 3 in.