1.high hardness: material original imported of high quality materials hardness up to 9H. 2.explosion - proof: special steel processing preventing glass film crushed open the use of safer. 3.2.5D arc edge technology: Edge uses 2.5D arc edge technology smooth feel and durability greatly enhanced. 4.Ultra-high light transmittance: optical grade transmittance ultra-low reflection high-definition high permeability(transmittance 98% more than). 5.Oil: liquid is not easy to contaminated with and easily wipe clean. 6.Anti-Fingerprint: surface high molecular Anti-fingerprint processing eliminate ordinary membrane touch jerky feeling easy to wipe clean. 7.High sensitivity: The back-end silicone resin film full-fitting close to the screen it will not affect touch screen the touch the sensitivity when used touch response rate was even better . 8.Auto fit:of high-quality anti-static cling membrane use make product fit with the spin-off is simple easy to operate it will automatically adsorption fit the screen. You can repeat fit.