Good Gadget Clear Glass Guard Screen Protector for iPhone 5 (Black) Strengthened glass material is 5X stronger and scratch resistant. Ultra-thin with thickness 0.4mm. So thin, you won't even notice it! Anti-reflective glass material. Excellent screen clarity. Touchscreen responsiveness is unaffected. Works and feels like actual screen. Special adhesive material allows easy installation with simple instructions. No air bubbles during installation unlike competitors' products!