Great ear warmers. They are fairly small - but large enough to fully cover my average adult size ears- and fold up to fit in a pocket. I have to adjust tightness on my head and over or under a ponytail to make these stay on, but after adjustment I'm always managed to make them stay. They stay on well through power walks, and have a little pocket for earbuds. I really like the size of these, much less bulky than most of the other ear warmers I've found.