What material is this cable management box made of?

The cable management box is made of steel and aluminum.

Questions & Answers: StarTech.com BOX4CABLE Conference Table Cable Management Box – Table Top – Conference Room AV – Conference Table Connectivity Box

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StarTech.com BOX4CABLE Conference Table Cable Management Box – Table Top – Conference Room AV – Conference Table Connectivity Box

Eliminate clutter at your table or podium by organizing and storing cables in this conference table cable management box
Provides conference room cable management
Sleek design with in table cable box
Concealed table installation hides your conference room AV cable clutter / Conference table connectivity box / Conference table cable box / Surface mount box / Surface mount outlet / Table top box / Tabletop box / Conference table connection box
Conference room table box with hideaway panel