RBEIK Surface 3 [Tempered Glass] Screen Protector, Premium Tempered Glass [9H Hardness] [Anti-Scratch] [Bubble-Free] Screen Protector for Microsoft Surface3 10.8 Inch Premium Tempered glass screen protector is specially designed for Microsoft Surface3 10.8 Inch NOT FIT Surface Pro 3 12 inch. Perfect Anti-scratch: The surface of the Tempered glass has a hardness of 9H, three times stronger than regular PET film. Even sharp objects like knives, keys and some other hard substances will not scratch it. Oleophobic Coating: The glass has an oleophobic coating for an oil-resistant, glass surface that is easy to clean. High-response & high-transparency: Only 0.3mm thick + 99.99% light penetration ratio, preserves the original viewing quality and maintains the original touch experience. Bubble-free adhesives for easy installation and no residue when removed.