1) Toughened glass have high transparency, and the color never changes 2) The surrounding part is smooth to protect the screen from being smashed 3) The product is environmentally friendly and pollution-free 4) High safety coefficient (pasted with bursting disk to prevent glass crack and cullet dropping) 5) Advanced fitting technology of anti-static silica membrane, to make convenience for the fitting and dismantling 6) High touch sensitivity

http://olla.gr/0.4mm-9h-surface-hardness-2.5d-explosion-proof-tempered-glass-film-for-galaxy-tab-3-8.0-t310-t311/