Discover Gillette’s Blue II and Blue3 razor blades, available in packs of up to 20. Blue II blades are long-lasting and include our Gillette comfort blades for shaves that feel great every time. Gillette Blue3 blades have all the same features, but offer better rinsing too, so you can stop gel, foam and hair building up and getting in the way of a smooth, clean shave. Buy Blue II and Blue3 blades online today.