The Gillette Labs Razor Blade Refills 8 XL Pack is a genuine and sealed box containing 8 disposable blades made of stainless steel. Specifically designed for the Gillette Labs razor with exfoliating bar and heated razor, these black blades are compatible with the Gillette brand. With 5 blades per cartridge, this pack of 8 units is perfect for men looking to achieve a smooth and close shave on their face. Made in the United States, these blades are a reliable and high-quality option for personal grooming.