FasciAid Knee Supporter Size: LL Black, 1 piece Used for several months. The Velcro works without any problems. Will be shipped via Yu-Yu Mercari mail without the box. If you want the box, please comment. It will be flattened and folded for shipping. Built-in active resin stays support the knee from both sides. A supporter that balances support and ease of movement. There is a hole to hook your finger in, which is convenient for adjusting the tightness when wearing it.