About the product1. Premium tempered glass film is made with specially processed glass to protect the screen of the device from shocks and scratches 2. Oleo-phobic Coating - The oleo-phobic coating can prevent fingerprints or other stains, and make the film easy to clean 3. Sensitive Operation, Delicate Touch - The self-adhesive silicone can touch on the screen smoothly. It makes the installation easy and is more sensitive for operation 4. Light transmission rate up to 99% 5. 9H+ Surface Hardness - The 9H+ hardness can effectively protect the screen from scratches and external shocks 6. Exquisite workmanship, ultra thin 7. Perfect adhesion 8. The product is eco-friendly

http://olla.gr/0.4mm-9h-surface-hardness-2.5d-explosion-proof-tempered-glass-screen-protector-for-sony-xperia-z4-tablet/