Mr Shield For Asus Zenfone Zoom (ZX550) [Tempered Glass] Screen Protector [0.3mm Ultra Thin 9H Hardness 2.5D Round Edge] with Lifetime Replacement Warranty Made with real premium tempered glass with rounded edges Surface hardness: 9H, 2.5D Round Edge Thickness: 0.3mm It protects the screen from accident drop Lifetime Replacement Warranty