Ideal for desktop printers, copy machines, and printing presses, Kant Kopy paper defeats counterfeiters. Protects government forms, reports, contracts, and other high-risk documents. If anyone tries to copy document, the word Void appears automatically on copy. In addition, the back of each sheet includes simulated watermark that appears when viewing paper at an angle. Select from 3 background colors, which are difficult to match without revealing security pattern. For added security, color disappears if eraser is applied to surface. Comes in 250-sheet packs of 60-lb. paper stock. Each sheet measures 8 by 11 ins. Also available in prismatic pattern that fills 1/3 of letter-size sheet.