I lucked up on an item to protect our valuable molds.
The boxes are a perfect size for the mihec molds and probably others. They have positive locking lids, and are stack-able.
The seller gave me permission to offer his email address as a contact for anyone interested.
I'm not involved, except to recommend the product, at a good price. The 20+ that I bought really work great and will keep my molds safe, from now on.
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Black plastic hinged box with latch 5 x 3-3/4 x 2, new in box, unused, been sitting on the shelf. Inside dimensions are 4 3/4" x 3 1/2" x 1 3/4", manufactured by Durham Mfg. Co. Liquidating excess inventory."
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The name is Martin Tragni, and his email is < martinmt@live.com >