Using this 4Ocean bracelet is easy. Just adjust it to your preferred size, anywhere from 7 to 13 inches, and wear it comfortably on your wrist. Since it's waterproof, you can wear it while swimming or washing your hands. As for maintenance, you can simply wipe it with a soft cloth if it gets dirty. Avoid exposing it to harsh chemicals or rough surfaces that could damage the recycled materials. And remember, every time you wear this bracelet, you're supporting the removal of trash from our oceans.