Ultra thin and transparent waterproofing and dustproof Anti bacterial and anti-scakd Comprehensively protect your keyboard Product feature:1.This ... protection material--silicom, touch soft, non-toxic, non-corrosiveness, anti-yellow, high-temperature-proof,wear resistant, heat-resisiting as well ... of release which is not easy to damage;2.Its surface also has anti-slide function, lets you type with ease. ...