Metalpak was probably used by Viva during the release of Dune until it was discontinued after legal battle with Scanovo.
Keysolutions' product has an official name now and its
Star Metalpak and its probably the very 1st of its kind to invade the North American Market.
Star Metalpak - Lenticular / Tin Hybrid Packaging
Its not a steelbook, so if you happen to stumble upon this finding in your nearby DVD store, dont be deceived!