Aomax For Microsoft Nokia Lumia 640 Tempered Glass Screen Protector [Superslim 0.26mm,2.5D Round Edge,9H Hardness] [Retail Package] (Nokia Lumia 640 Glass) 99.9% high transparency. Reduction natural viewing experience. 0.33mm thickness. Anti-oil. Very smoothly and reduction natural hand feel 9H hardness, Electrostatic adsorption and Anti scratch. It wont be scratch even if you use a pocket knife to scratch it. And very easy to install. If broken, the tempered glass will breaks into small pieces that are not sharp, making it safer than other glass products. Retail Package: 1pc Screen protector + 1pcs alcohl swab + 1pcs microfiber cloth Warranty/Replacement/Refund:Our products come with a 30 days warranty.