Answer: bottlecap

AnswerCrossword Clue
BOTTLECAPCola cover, e.g.
BOTTLECAPCollectible topper
BOTTLECAPNeonatal nurse's headgear?
BOTTLECAPSeal of a sort
BOTTLECAPTarget for some openers
BOTTLECAPCork's relative.
BOTTLECAPModern collectible
BOTTLECAPIt fits around a mouth