... Latex Size: S,M,L,XL Item: BK-011Description: Industrial Back supportMaterial: Nylon,Polyester, LatexSize: S,M,L,XLFeature & Function: ... Provides support to the lower back and helps promote proper posture and lifting techniques. The extra ... , encourage good posture, are easily adjustable and are snag resistant. The elastic side pulls are easily adjustable to provide increased ...