Invisible protection in anti-blue-ray tempered glass.\nGlass is the additional glass for your Smartphone with an anti-fingerprint surface and a special anti-blu-ray treatment, to protect your eyes from the blue rays emitted by the display. The quality and the hardness (9H) of tempered glass guarantee the best protection against scuffs and scratches in a thickness of just 0.3mm. Fast, bubble-free application, with preventive screen cleaning kit included in the pack.