Backed by a team of professionals who operate out of a high-tech facility this Nitro Glass Screen Protector for ipd mini Gen 1-3 from zNitro is made of highly engineered tempered glass that can handle anything you throw at it. And since it s glass it doesn t have any of the distortion or finger-drag that is possible with other plastic-based protectors. It s virtually invisible easy to install and offers supreme protection for your screen.