Gillette Mach 3 CartridgesGillette Mach 3 Cartridges is a revolutionary new triple blade shaving system for the closest shave ever in fewer strokes with less irritation. Please note, image is for illustration purposes. Gillette Mach 3 Cartridges 3 Blades specially positioned to extend gradually closer to your beard, to shave you progressively closer in a single stroke. So close there is less need to re shave, which means less irritation. Patented DLC comfort edges each blade