Logsell Premium Tempered Glass Screen Protector for Samsung Galaxy Tab S 8.4 Sm-t700 Tablet High safety coefficient (pasted with bursting disk to prevent glass crack and cullet dropping) Advanced fitting technology of anti-static silica membrane, to make convenience for the fitting and dismantling. Thickness of stress layer: 0.3 mm thickness of surface. Ultra-thin Glass be treated by toughening high temperature. Coating of oleophobicity: anti-fingerprint .anti-oil. Anti-acid and anti-alkali.