Compatibility: This screen protector is ONLY compatible with Samsung Galaxy S21 Plus (6.7 inch) . NOT compatible with any other devices Easy Installation:Please watch our installation video FIRST and use the included tool kit when you install this Galaxy S21 Plus Screen Protector Self-Healing Technology: It can eliminate minor scratches and tiny bubbles on the film all by itself from over time High Definition&High Response: Only 0.1mm thickness maintains High quality Definition and original response sensitivity of your Samsung S21 Plus, ensuring quick app launches, smooth video playing and gaming Scratch Proof:Built-in scratch resistant technology Prevent your Screen from Scratches. Oleophobic Anti-Fingerprint Coating- keeps your screen free of fingerprints and oily smudges and is easy to clean