Tupperware has a lifetime gurantee as long as it got destroyed during normal use. I would recommend that you contact your local tupperware lady or tupperware store and they will exchange it for you. See more information http://order.tupperware.com/coe/app/tup_party.consultant_finder
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Sometimes you can warm a Tupperware lid that does not fit well anymore and it will stretch to fit. Warm this in hot water or in a microwave to see if it can conform to fit as soon as it comes away from heat.
Tupperware was created in 1946.
Tupperware is owned by Tupperware Brando Corporation, which is a publicly traded company.
Because the metal lid expands quicker than the glass jar - making it loose.
If you are sure the lid safety switch is at fault do not bother with it, they are cheaper and easier to replace
Tupperware does not currently have any commericals for their kitchen supplies. Tupperware is still popular, and people continue to have tupperware parties.
Tupperware tumblers may be purchased directly from Tupperware, through a Tupperware distributor, or on eBay, Etsy, Amazon, Sears, The Find, Target, and Walmart.
If loose they will need replaced.
I have a stering colum that is loose and feels like it will fall in my lap.What is going on and how do I fix it?
In a tupperware store.
Tupperware Brands was created in 1946.