Answer: thermos

AnswerCrossword Clue
THERMOSPicnicker's purchase.
thermosA container that keeps a drink or other fluid hot or cold by means of a double wall enclosing a vacuum
thermosa container used to keep food or drink hot or cold
THERMOSContainer brand that lost its trademark status in 1963
THERMOSLunch box item, perhaps
THERMOSLunchbox go-with
THERMOSLunchbox accessory
THERMOSDrink holder
THERMOSPicnic jug
THERMOSPicnic basket item.
THERMOSInsulated bottle.
THERMOSLunchbox item
THERMOSLunchbox item.
THERMOSLunchbox container
THERMOSCoffee holder
THERMOSCoffee container
THERMOSHot drink holder
THERMOSKind of bottle
THERMOSSoup holder, at times
THERMOSInsulated container
THERMOSJoe container on the job