About Zizo Wireless. When it comes to getting the perfect accessories for phone, Zizo is a brand you can trust. A family company that has existed over a decade, Zizo Wireless has mastered the technique of bringing the perfect products to you. This expertly designed tempered glass screen protector is no exemption to their product line. This tempered glass screen protector is made to be at exactly 0.33mm thickness, which is the highest quality of protection available for your phone's screen. Gone are the days where you worry about shattering your phone screen, with this premium tempered glass you no longer have to worry have breaking your phone's screen. We know what protection for your phone means to you, so we provide exactly that.