These are a good size to fit on most adult knees. They are not stretchy at all but a good thickness and hold tight to the skin. The sticky part is sticky enough to hold well for long periods of time but yet not too strong to hurt taking it off. Easy and straightforward to apply. Does not come with instructions but you can tell how to apply from the listing without any issues. A good value for anyone needing extra knee support throughout the day. You can hand it under your clothes without anyone knowing unless you are wearing spandex pants which you will see the outline. Read more