The product is a pack of 3 Gillette Fusion 5 replacement shaving razor blades, totaling 4 cartridges. These genuine blades are made of stainless steel and are designed for men's use on the neck and face. With 5 blades per cartridge, these refill cartridges are compatible with Gillette Fusion5 shaving razors and are manufactured in Germany. The high-quality blades ensure a close and comfortable shave, making them an essential part of any shaving routine.