Designed to start sharp and stay smooth (Based on guys who shave at least 4x per week reporting that their 8th shave was as smooth as their 1st). 5 German Blades: For a close, comfortable shave. Lubricating Strip: For a smooth, even glide. Precision Trimmer: For those hard-to-reach areas. Flex Hinge: Contours to your face. Our blades work with all Harry's reusable razor handles. harrys.com. Learn more at harrys.com. Questions? Call 888-212-6855 or email help(at)harrys.com. Packaging is recyclable. Made in Germany.