Ultra Impact and Scratch Protection. InvisibleShield GlassPlus is the toughest glass screen protection - period. Made of high-quality tempered glass, now 2X stronger. GlassPlus features Ion Matrix, the most advanced impact and scratch protection available. In addition to unmatched protection, GlassPlus maintains precise touchscreen sensitivity. It features a unique oil-resistant technology that prevents fingerprint smudges to help keep your screen pristine. Smart EZ Apply tabs make application bubble free. Simply align the adhesive, press it, and watch as GlassPlus does the rest.