Mueller Adjustable Back Brace helps relieve lower back pain. 8 lumbar stabilizers conform to your lower back providing you with firm support. Double over-lapping adjustable straps give you a snug yet comfortable fit. Part of the RecoveryCare® product line. Sizing Chart Measure Around Waist ONE SIZE 28"-50" 71-127 cm Application/Instructions: 1. Release outer straps from main band. 2. Wrap main band from the back and fasten around waist in front. 3. Fasten outer straps around waist to desired tension. Intended Use: Helps relieve lower back pain while providing support to strains, sprained, and aching backs. Cautions/Warnings: THIS PRODUCT CONTAINS NATURAL RUBBER LATEX, WHICH MAY CAUSE ALLERGIC REACTIONS. THIS PRODUCT CONTAINS A NEOPRENE BLEND, WHICH MAY CAUSE ALLERGIC REACTIONS. Care Instructions: HAND WASH COLD WITH MILD DETERGENT, DO NOT BLEACH, LINE DRY, DO NOT IRON, DO NOT DRY CLEAN. Antimicrobial: No Color: BLACK Country of Origin: VIETNAM Fits: Bilateral Composition: POLYESTER 45%, NATURAL RUBBER 21%, STEEL 20%, NYLON 9%, PVC 2%, NEOPRENE BLEND 2%, PU FOAM 1% Sterile: No