Tupperware lasts a long long time and is so convenient. It is a little expensive, but given it's duability, I suppose that is to be expected.
i have a lot of Tupperware, maybe a little to much but it is a good brand and last forever. my mum has some from when she was young.
It depends alot on who you get but the product itself is the best. I won't use any other type of plastic container after using Tupperware as nothin...