Pre-Moistened 3" Pads Quickly And Easily Remove Ink, Carbon, Ribbon And Other Stubborn Smudges From Hands, Machines, Tools And Other Surfaces. Each Contains Isopropyl Alcohol. Fast-Drying Wipes Are Great For Keeping At Your Desk Or On-The-Go. Compact Container Allows Easy Storage. Wipes Are Equipped With A Cleaner That Is Quick-Drying And Nonirritating.