Ultra thin and transparent waterproofing and dustproof Anti bacterial and anti-scakd Comprehensively protect your keyboard Product feature:1. ... protection material--silicom, touch soft, non-toxic, non-corrosiveness, anti-yellow, high-temperature-proof,wear resistant, heat-resisiting as ... inflow keyboard and damage the computer;5.Dustproof and anti dirty design amy avoid the dust, the cigarette ash ...