Logitech 956-000015 Protective Covers for K120 (Single Pack, brown box) Protective covers that wrap each key and the whole keyboard. Allows cleaning of keyboard after each use no damage from sanitizing wipes or liquid. 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. Tested to withstand 2,700 wipe cycles with alcohol; equal to 5 classroom sessions per day, 180 classroom days per year over 3 years. [DESIGNED TO FIT THE K120 AND K270], ensuring a tight seal around each key. [AVAILABLE IN SINGLE AND 10-PACKS], giving schools flexibility in ordering.