The screen protector adopts 0.26mm toughened glass, the thinnest grade of hardness, and maintains 99.99% response sensitivity and touch, ensuring that applications start quickly, games and videos play smoothly, bringing you a perfect touch experience. 2.5D rounded corner design, feel smooth without scratches. Hardness of 9H tempered thin glass high transmittance, bring you 100% high-definition. Thin tempered glass with 9H hardness. The second hardest substance in the world, diamond (hardness 10), is resistant to scratching and cracking. The surface adopts nano thin oil coating, anti-fingerprint, anti-grease. Installation is super easy!