No quality assurance required since its a Milton. The wide mouth ensures that it can be easily cleaned. Basically being used to store hot water and beverages overnight - its giving satisfactory service. Absolutely no issues - but then that was expected from the brand. The contents can be poured by pressing the lever without unscrewing the cap.
Perfect product. Good enough and compact to carry for office / school.
I have used the thermos for keeping ICE as well and it worked quite well. Problem is to keep hot water. Most of the thermos can keep water hot for 24h read more