The product is 2 packs of four Gillette ProGlide 5-Blade Stainless Men's Razor Refill Cartridges. Specifically designed for the Gillette ProGlide model, these cartridges are made of durable stainless steel and feature five blades for a close and comfortable shave. Ideal for men looking to maintain their neck and facial hair with precision and ease, these cartridges in blue color are a convenient and reliable choice for everyday shaving needs. total of 8 refills