Elastic sleeve specifically designed to alleviate lymphedema. Arm sleeve, size L. - Color: Black - Size: L - Wrist size: 8cm〜 - Upper arm size: 15cm〜 - Arm length: 42cm Thank you for viewing. Arm sleeve with compression. Although it may also be used by those who want to slim their arms, it has considerable compression. For medical use, for those with lymphedema. With anti-slip, so it's comfortable. I felt the size was slightly different from the photo, so I actually measured it. Stretchy. One is new. The other has been used 2 or 3 times. They are also listed separately, so please be aware of potential stockouts.