Specifications Sizing: Standard: 26" - 44" X-Large: 44" - 62" Uses: Designed to provide support to the lower back and lumbar region Materials: Breathable neoprene Hook and loop fastening material Washing Instructions Hand wash cold, no bleach Air dry What’s Included: Lower back brace Lumbar Insert 60 day guarantee UPC: 028841241529  (Black, Standard); 818323022841 (Black, X-Large); 818323022858  (Gray, Standard); SUP1040GL (Gray, X-Large) Product Number: SUP1040L (Black, Standard); SUP1040G (Black, X-Large); SUP1040G (Gray, Standard); 818323022865 (Gray, X-Large) Shipping Weight: 4.0 ounces User Manual: Back Brace