These Gillette Fusion Proshield Chill Blades 3 Pcs. are the newest and most advanced razor blades. With the help of FlexBall technology, maximum skin contact is achieved, ensuring close shave. The leaves can be used with all Gillette Fusion scrapers. There are 2 moisturizing lubra strips on the leaves, both above and below the blades themselves. These moisture streaks are cooling.