Material:High Aluminum Tempered Glass+Epoxy+AB Glue Hardness:9H Transparency:92% Thickness:0.33mmThe easiest and latest dustproof installation box. Just accurately aligned, you will get a dust-free and bubble-free tempered glass.Auto alignment installation tray keeps you away from the trouble of difficult to align or complicated to operate, ONLY need one finger slide to fit flawlessly.0.33mm ultimate thin 9H hardness Tempered Glass without scratch & bubble. Follow your speed with precision and responsiveness.The airtight tool built-in a dust-proof film, installation frame isolate the entry of dust from the outside, so can prevent collecting dirt and air bubbles in the process. VEMOSUN protective film featuring perfectly defense from full-screen cover, block 99% of the dust enter the phone,These functions give you the ultimate bare-screen touch and does not hinder the brilliant visual display of your phone's screen.Rigid and sturdy but ultra-thin without deforms or breaks, while not being too bulky. Port:FOB Shenzhen Edge:2.5D Quality:Grade AAA Package Type:ODM/UniversalFunction:To protect your moible LCD SCREEN Feature:Anti-fingerprint,Anti-oil,Water-proof,Anti-broken Delivery Time:Within 7-15 working days Shipping:DHL,UPS, EMS, FedEx, TNT or others1 Ball drop test： 64g steel ball 80 cm 3 times. 2 Edge pressure test Edge can withstand max 25-30 kg of pressure. 3 Water contact angle test 115 degree before abrasion test, >105 degree after abrasion test. 4 Abrasion test Scratchless surface after 3000 times' scratching testing. 5 Tensile test Edge glue product: Glass won't fall off from the screen with a max 3kg tensile force. 6 Pre-delivery inspection Sampling inspection according to agreed AQL standard .