This advanced tempered glass screen protector offers triple protection, certified to three protection standards, making it 3X stronger, scratch-resistant, and providing high protection. It has been tested with a 110 lb pinpoint force test, a 10,000X scratch test, and a 6-ft ball drop test. The screen protector features 9H high hardness, is fingerprint resistant, and designed for zero bubbles during installation. It also boasts high transmittance for clear viewing and is waterproof. The package includes an installation guide for a bubble-free application, with wet wipe, dry wipe, and microfiber cloth. It is shatter resistant and provides impact protection. This screen protector is compatible with Oppo A3s.