ipad 2018 ipad 2017 tempered glass screen protector 9h round edges filter smartwatch silver 6 drop tested to withstand you can hear both 6 drop tested to withstand the worst damage as the edge is the part higher than the camera with a hardness of 9H (Mohs hardness scale which goes from 1 to 10 The glass is completely free of glue and other materials that could leave marks on your tablet