ITEM NAME:Nano Liquid Screen Protector Scratch Film Resistant Phone 9H Hardness Delic O2R9 Description&Preview.Hardness: 9H. Made of nano liquid, can creates an invisible/ultra thin coating film on your phone/tablet screen. 1 x Nano Liquid Screen Protector Film. Easy to Apply and Bubbles Free-Liquid screen protector is easy for every one to operation, just apply it to your phone screen.