Drop Protection: Scientifically proven to protect drop After drop from up to 12 feet (3. 6 meters) EFFECTIVE PROTECTION: Our self-cleaning cases are made with materials developed in collaboration with BioCote, this formula is built into the case and gets to work within just 15 minutes, making sure your case is clean every time it's picked up. Mix & Match Buttons: Two additional button sets let you mix up the color of your case Slim Profile: Smart materials protect without the bulk