· WRAP-AROUND DESIGN - creates a tight seal around each key and the entire keyboard.· THIN LAYER OF SILICONE - covers the keyboard without adding bulk for a great typing experience.· ANTI-DUST AND LIQUID-PROOF DESIGN - delivers the durability schools need, especially in high-used, shared spaces.· EASY CLEANABILITY - allows disinfecting after every use without damage from sanitizing wipes or liquid.· DESIGNED TO FIT THE K270 - ensuring a tight seal around each key.