Alcatel Idol 3 (5.5) Tempered Glass Screen Protector, AigouUltra-thin HD Clear Oleophobic Coating Bubble-free Invisible Shield Tempered Glass Protectors[Lifetime No-hassle Warranty] Compatible with Alcatel Idol 3 5.5 Anti fingerprints : Oleophobic coating prevents finger prints and other contaminants from making your screens look dingy and dull. Plus, it's a snap to wipe clean the glass lcd skin with the provided wipes Perfect Anti-scratch: 9H greatly intensified surface hardness which is 3 times stronger than regular PET film . High sensitivity glass won't affect your mobile's touch screen functionality or HD retina display. Lifetime no-hassle warranty provides easy lifetime protection for your tempered glass screen protector Easy installation with guide on how to correctly install screen protector. Please see the last photo on advertise which is the installation instruction. Everything you need to install it is included in the package.