Drop Protection: Scientifically proven to protect drop After drop from up to 12 feet (3. 6 meters) Built in, Permanent Protection: Our BioShield reduces microbes by up to 99. 99% and help keep your case hygienically clean. Our ingredients are actually built into the case itself, offering long lasting hygiene. Unlike other self cleaning phone cases with just a thin coating, our method is here to stay and won?t 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 you?ll get to start each day with a phone as clean as the day you opened the box Mix and Match Buttons: Two additional button sets let you mix up the color of your case Slim Profile: Smart materials protect without the bulk How it Works: Patented ribs and high performing impact material work together to absorb impact energy drop after drop Made to Fit Apple iPhone Pro Max