Polaris I also features a PP inner pan container that is snapped onto the shell base.
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LIR-USA Mfg. Co.: Airtight compact
Polaris I from LIR-USA (Yaphank, NY) is said to be the first hermetically sealed compact. Made of injection-molded SAN, the stock compact is composed of a shell cover, a shell base, annular platform/airtight lid, mirror and push button.
Aug 31, 1998
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