Ultra Scratch-resistant SapphireShield9 Mohs Hardness: With the highest possible hardness of 9 Mohs, it is scratch resistant to all materials except diamond at just 0.33mm thickness. 3D Resin Edge Technology: Tested and proven to withstand up to 30 kilograms of pressure. Ultimate Scratch Resistance: Tested to resist up to 20,000 moves with a metal scourer. Anti-fingerprint Layer: Your display remains clean, resisting smudges and fingerprints. Easy Installation: Biodegradable install frame with a cleaning cloth and dust removal sticker secures struggle-free application. Ultra-wide Fit: Covers the entire screen edge to edge and guarantees compatibility with all Epico cases.