1. 3D curved surface: smooth to the touch, ultra-thin glass is about 0.3mm. 2. Hardness: 9H,Super Hard, even sharp objects such as knives and keys will not scratch the tempered glass film, ultra durable. 3. Excellent window display: HD 99% optical transmittance, Unrivaled touch sensitivity. 4. Oleophobic coating: anti-fingerprint, anti-oil, anti-acid and anti-alkali and other contaminants. 5. Easy installation: On back side of glass coated with a strong silicone layer to make installation easily and attached screen tightly so as to not affect sensitivity of touch screen. 6. Explosion-proof shatter-resistant: Even if broken, it will not splash about, The glass screen protector will not broken into small piece with sharp edge. It still keeps a whole piece of screen protector to protect your phone screen against scratches.much safer than other glass products. Package Included: 2 Glass and 2 Lens : 2 Front Tempered Glass + 2 Camera Lens Film (Gifts : 4Wet wipes + 4Dry wipes) Directions for use（Screen Protector) Step 1: Clean LCD screen with the clearning cloth provided thoroughly. Step 2: Peel off mask with sticker carefully. Expose 1/2 inch of the Screen Protector, Take care not touch the adhesive side. Step 3: Carefully align Screen Protector along the edge of the LCD screen. Step 4: Peel off mask when application is completed. Directions for use（Camera Lens Film） Step 1: Clean Camera Glass with the clearning cloth provided thoroughly. Step 2: Peel off mask with sticker carefully. Take care not touch the adhesive side. Step 3: Carefully align Camera Protector along the edge of the Camera Glass. Step 4: Peel off mask when application is completed.