SpecificationsTempered Glass Screen Protector1. 0.4.mm2. Anti-fingerprint coating3. Hardness:8-gH4. Tempering 4.5H under 650 degreeScreen protector-self-absorbedThe entire surface  of  Pavoscreen  is  whole  transparent and the  back  side is  covered with  special self-adsorbed silicone  for  easy-fast  installation. So installed, it can  self-adsorbed  and there  no gaps  between the  screen and  Pavoscreen, which  means  the  touchscreen’s sensitivity is  unaffected, it  is  very effective in  absorption and  touch impact. Real Ultrathin whole Invisible Transparency Tempered  Glass, Self-Absorb Installation Without Air BubbleOther features:1. 0.40mmthickness2. Anti-fingerprint coating 3. Hardness: 8.7h