Tupperware, 1950s?

Clever on Sunday, Tupperware ad, 1950s?, originally uploaded by Gatochy.

"Clever on Sunday

Tupperware makes it possible. You can set out a fine Sunday lunch and have time to enjoy the papers, too. Here's how. Cook earlier in the week, store in Tupperware, serve on Sunday. Tupperware's patented airtight seal will keep your food delectably fresh. And these unique plastic containers are so colorful, you'll bring them right to the table for serving. All very relaxed. You can relax when you buy Tuppewar, too. Come to a Tupperware Home Party or have one of your own. Phone the local Tupperware distributor for the same of your nearest dealer, or write."