These arm sleeves are super easy to use. Just slip them on your arms before you head out for your outdoor activities. They're great for running, hiking or any other outdoor adventures. When it comes to care, you can machine wash them in cold water. Don't use bleach as it might damage the fabric. Hang them to dry and they'll be ready for your next outing. Also, make sure to check the sleeves for any signs of wear and tear regularly. If you notice any issues, it might be time to get a new pair.