The Gillette Venus Women's Sun Surf Razor Blade Refills come with 4 boxes and each box containing 4 razor refills. These blade refills are specifically designed for women and are made of stainless steel for durability. With 5 blades per cartridge, each blade is 1 inch long and 3/8 inch wide, making them ideal for shaving underarms. The Gillette Venus brand ensures quality and compatibility with Gillette razors, providing a comfortable and efficient shaving experience. 16 refill cartridges included.