This zippered earbud pouch is approx. 3 3/4" in diameter. It is padded and fully lined to protect its contents. A split ring is added for clipping to backpacks, keys, purse or waterbottle if desired. This Green/Color Dots Zippered Earbud Pouch can also be used for pills, coins,lip balm, earrings, hand sanitizer or whatever small item you'd like to be secure and take with you.