Muc-Off Device Cleaner Kit – Kit. Smartphones are proven to be 7 times dirtier than a toilet seat! Thats where the Muc-Off Antimicrobial Screen & Device Cleaning Kit comes in to help keep bad bacteria away. Each kit has a premium antimicrobial cloth that has been specifically designed to clean delicate finishes. The pack also includes a 32ml Device Cleaner spray bottle containing an advanced pH balanced eco-friendly cleaning formula that gives a streak-free finish. And