Our Nexus 4 screen protector guards against potential damage without adding bulk to your device. It easily installs with a 100% dry application process and has a proprietary anti-air bubble technology. Simply apply the Nexus 4 screen protector, let it sit overnight and any bubbles will disappear. All Clearly Protected screen protectors are made in the USA and come with a lifetime warranty. Enjoy all that this device has to offer with clear protection from OtterBox Nexus 4 screen protectors.