Thermos Funtainer Beverage Bottle Replacement Straw (2-PACK) For F400 Cap (Read Carefully) **Please read carefully** Check Code on inside of lid of container. Straw is for F400 model!!!! 6" in length Fits Some 12 oz. Thermos Funtainer beverage water bottle models with no handle only! Code on lid of container for straw is F400.