●INTENDED USE: Helps relieve lower back pain while providing support to strains, sprained, and aching backs. ●FIT: One size. Tapered design provides a comfortable fit for men and women. Adjustable compression from double layer design allows for custom fit to abdomen and lower back. ●STEEL SPRINGS: Eight supportive steel springs conform to the lower back for firm support. ●ELASTIC: Nine inch elastic band provides broad support to the lower back. ●TRUSTED BRAND: Mueller Sports Medicine has been a trusted leader in sports medicine for over 60 years and is committed to helping you reduce pain.