Oil-proof: Oleophobic and anti-Fingerprint coating protects your screen from fingerprints and oily stains, That will easy to clean the surface of your phone. Perfect fit: 4 layers and two sections of the latest film technology, Please watch the video or install instructions before installation,accurate positioning, perfect fit to protect your phone. Material advantage:It is made of memory material,Small scratches will be recover in the coming 48 hours, small bubbles will be disappeared in the coming 48 hours. The informaton only can be seen in front of screen.Protect your personal information from strangers,especial bus,metro.As it is privacy material , please turn your device display brightness up.