Drop Protection: Scientifically proven to protect drop After drop from up to 12 feet (3. 6 meters) Built-in, Permanent Antimicrobial Protection: Our BioShield reduces microbes by up to 99. 99% and help keep your case hygienically clean. Our antimicrobial ingredients are actually built into the case itself, offering long-lasting hygiene. Unlike other self-cleaning phone cases with just a thin antimicrobial coating, our method is here to stay and wont wear off over time Fast-Acting Hygiene: The formula unique to tech21 will get to work within just 15 minutes of coming into contact with microbes, ridding up to 99.99% in just 24 hours. This means that youll get to start each day with a phone as clean as the day you opened the box Mix & Match Buttons: Two additional button sets let you mix up the color of your case Slim Profile: Smart materials protect without the bulk