For materials :OTAO has exclusive nano-coating can effectively prevent fingerprint and oily dirt. In a period of time using a screen protector, it can be removed very easily, put in a clean water tank for cleaning, use like a new. Without the nano material coating , common screen protector is no immunity to fingerprints.

For safe: OTAO anti-bacteria coating is consist of nano scale metallic ions such as calcium phosphate,alumina,silver,silica, zinc and copper.And the component ratio of them lists as follow:calcium phosphate 0.5%-1.5%、alumina 2.0%-3.0%、silver 2.5%-3.5%、silica 1.0%-2.0%，zinc and copper 0.5%-1.5% . Do you know? Even only using your mobile phone for one month, the bacteria amount scattered on your mobile phone is roughly equal to that in the public lavatory for one year. At breeding a variety of Staphylococcus aureus and Escherichia coli, and residual dirt,.Over time, the dirts gradually goes moldy, and become a potential threat to our health. When you use the otao, after half a year , under microscope, except for some minute dusts, the foregoing mildewing on common screen protector does not be happened.

For protector: 9H Super hardness, fingerprint proof, oil proof, anti scratch, anti crack, sensitive and soft touching, high clear and transparency. OTAO has proprietary surface processing craft , which is helpful in protecting daily using dirts from the screen protector. Even under super impact proof, accident breakage, without glass shower, protects your phones as perfect as a new.Special technique make X-LAMBO exceed the common glasses, give you a more clear and super optical enjoyment. Electroplating nano-coating excellently protect your screen from water and oils, its super fingerprint proof, oil resistant, will make your screen always as clear as a new. Electroplating nano-coating excellently protect your screen from water and oils, its super fingerprint proof, oil resistant, will make your screen always as clear as a new. See more 0.33mm Tempered Glass Screen Protector Film,enter here.

For promised: OTAO is originated from California, devoted to develop eco-friendly, practical and stylish mobile accessories. We design our own products and got invention patents for some of them. Our company is a professional mobile accessories manufacture which set products design, R&D, production and sales all together.As one of OTAO members we are dare to think, dare to speak and dare to act. What we are persistently sticking to is working for our customers needs and focus on the products using details. The satisfaction of consumers is the primary and eternal pursuit of all OTAOs.

For use: E.Z helper makes perfect installation so easy. Patent protected, humanized protection.