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 Neon Skull 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.