【Far-Infrared Knee Lark Super Mesh】 Yamada-style Rubber Band Health Method Super mesh supporter that provides knee protection and comfort. - Size: LL size (43-53cm) - Features: Knee protection, reinforcement, and warmth retention - Material: Super mesh - Intended use: Prevention, comfort, and support - Design: Black Thank you for viewing. I accidentally purchased the wrong size, but I have opened the package and cannot exchange it, so I am putting it up for sale. It is new and unused, but I have tried it on once to check the size. I would appreciate it if you could understand this, and thank you in advance.