1 blade lasts up to 3 weeks Gillette Mach 3 Razor Blades. This 13 pack of razor blades will last up to 39 weeks giving you incredible value. Gillette Mach 3 Blades are designed to give you a comfortable shave. They are more comfortable on their 10th shave than a disposable on it's 1st. It contains diamond like coating DLC upon its razor blades and with a lubricating strips, means that every shave is smooth and easy. Front pivot technology within the razor enables easier shaving in those hard to reach places. Features and Benefits

• 13 Razor Blades
• 3 blades with an anti friction coating and a comfort guard with 10 microfins
• All Mach3 cartridges fit all Mach3 razor handles
• Less feel of irritation* *vs our 2 bladed disposable (*MACH3 razors vs. Blue II Plus)
• Easy rinse cartridge MACH3 cartridges features open architecture for easy rinsing
• For Even Better Results try Gillette Fusion ProGlide Power