1. The surface of the tempered glass, 0.26mm, 9H, three times stronger than a regular screen protector film. 2. Surface is anti-oil processing, oleophobic coating that prevents fingerprints and other contaminants. 3. Explosion-proof, will not broken into small pieces of sharp, more secure than other glass product. 4. Offers a tough, durable surface while keeping the rear cover clean and unstretched. 5. Sensitive Touch. 6. The back side is covered with a strong silicon adhesive for easy installation. 7. Compatible with Samsung GALAXY NOTE7.