Thank you for viewing. This is the OAKLEY STRIKING ARM COVER 25.0. I purchased it for my family, but they didn't use it, so I am selling it. It is for one arm. Color: Navy Product Number: FOS902053 Material: 85% Polyester, 15% Polyurethane Manufacturer's Suggested Retail Price: ¥2,420 Please feel free to ask any questions in the comments.