KEY FEATURES: 9H super hardness. Anti-scratch from knife, stones, scissors, etc. 2.5D rounded smooth edge to avoid cut when touching the edge. Superb Transparency 97%. HD clear. High definition. Anti-shock Excellent Fingerprint, Grease & Scratch Resistance. Dust can be easily removed. Perfect overlay and high reliability Can be removed without leaving residue marks Easy to apply. Easy to remove bubbles. Shatter proof. Tiny cracked particles.