High quality and made of superfine steels, which is elastic and makes shave faster, fresher and safe. This special blue strengthening fabrication strip can reduce the friction between the blades and the skin, making shave more smooth and comfortable. This shave blade has a series of soft, flexible micro fins, which can gently stretch your skin causing your beard hairs to spring upward. 3D action for optimum skin contact even in hard to reach places. This shave blade is a must-have accessory for shaver or electric razor. Easy to install and convenient to use.