Featuresr specifically designed for smartwatch huawei watchr high hardnessglass material after high tempered steel processing surface hardness up to 8 9h impact resistance is strong not easy scratchesr ultra high light transmittance transmittance of 98 or more optical transmittance grade ultra low reflection high transparencyr high sensitivitythe glass is coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as to not affect th