Conybio FIR Knee brace is specially designed with high density Bio-Ceramic & Negative Ions using the State of Art “Nano Technology”. The quality of the Fabric has been improvised by the usage of this Technology to enhance the warm and wellness feeling. It is recommended for young athletes, middle aged and elderly people looking for a supportive therapy for their knee problems Washing method: Hand wash with mild detergent. Do not scrub with a brush or use harsh methods of cleaning. Do not squeeze – only drip dry.