Thank you for viewing. This is an elbow sleeve that disperses pressure and reduces stress on the elbow. I am selling it because I purchased the wrong size. I opened the package, but the supporter did not fit my arm, so I have never used it. It comes with an instruction manual. - Brand: ZAMST - Product Name: Elbow Sleeve - Price: 2,970 yen - Color: Black - Size: L Although it is a new, unused item, it has been in someone's possession once. Please check the images and only purchase if you understand. Please refrain from purchasing if you have any concerns. Returns and refunds are not accepted after purchase.