How does the antimicrobial technology in the case work?

The case is infused with a silver-based additive that helps inhibit microbial growth and protects the case exterior against many common bacteria.

What materials are used in the construction of the OtterBox Commuter Series case?

The case is made of a synthetic rubber slipcover and a polycarbonate shell.

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OtterBox Commuter Series Bespoke Way Blue Case for iPhone 12 and iPhone 12 Pro 77-65406

Commuter Series Case
For iPhone 12 and iPhone 12 Pro
Bespoke Way Blue
Synthetic rubber slipcover, Polycarbonate shell
Lasting antimicrobial technology helps protect case exterior against many common bacteria
Case is infused with silver-based additive that continually blocks microbial growth
Thin, pocket-friendly case slips in and out of pockets easily
Dual layer, soft inner slipcover and hard outer shell absorb and deflect impacts
Secure grip for confident handling
Port covers block dirt, dust and lint from getting into jacks and ports
Raised edge protects camera and screen
Works with 5G, 4G and all other standard networks
DROP+ | 3X as many drops as military standard (MIL-STD-810G 516.6)
Works with Apple's MagSafe charger and Qi wireless charging
Pair with an OtterBox screen protector for total, 360-degree protection