SHARK SUPER STAINLESS DOUBLE EDGE RAZOR BLADES deliver a smooth, luxurious and comfortable shave. These premium blades are used by barbers and wet shavers alike. These blades are known for their outstanding smoothness, sharpness, comfort and longevity. Many have told us these are the longest lasting double edge blades they have ever used. Manufactured in an ISO2000 facility, these blades are world renowned for their high quality. Care should be taken to not wipe this blade dry after use. Instead, simply shake the razor dry to avoid removal of the blades coating.