Liquid Screen protector increases screen hardness to 9H (sapphire equivalent) with no bubbling, no peeling and no cracking. Product is invisible and effectively protects glass from scratching and chipping under extreme conditions, while its antibacterial properties protect the user from harmul microbes developing on their device  - Crystaltech

For 17"LCD Smartphone, Tablet PC - Chip Resistant, Scratch Resistant, Water Resistant - 9H