The iRoller is a liquid-free, reusable touchscreen cleaner for the removal of oily fingerprints, smudges and bacteria from the touchscreens of tablets, smartphones, and laptops, or any other touchscreen device. The elegant, compact roll-over cover protects the iRoller from contamination when not in use and makes it suitable for any situation, whether you are a traveler, student or business professional. Measures 3.75 x 1 x 1 in.