Adjustable black knee support with strong velcro closure Model No. EX015 Description: made with neoprene； concentric circle magnets increases local blood flow, keep warm； strong velcro closure---durable and economical ideal for pain management, sore muscles and compression universal sizing Fit for: arthritis, hyperostosis, joint pain, soft tissue injury, RA and prevention to athletic injury Warning:Skin injury on wearing parts should be avoided. Infants and pregnant women should avoid to use. Brush and not soak up.