Long-lasting durability: Razor handle is backed by a Lifetime Warranty - visit gillette.co.uk/labs/warranty. Long-lasting durability: the razor handle is backed by a Lifetime Warranty (visit gillette.co.uk/labs/warranty for more info.). Adaptive design: 2D FlexDisc contours to your face to ensure comfort and contact with every stroke. Incredible comfort and closeness: this razor for men features Gillette’s best razor blades (first 4 blades). Gillette Labs men's razor: with exfoliating bar that helps clear the path before the blades pass. The information below applies to each unit in the pack.