5 BLADES FOR A LASTING SMOOTH: These women’s razor refills have 5 blades to deliver an extra smooth shave that lasts DURABLE DESIGN: Each blade refill lasts up to one month (based on twice/week shave); just use and replace when you're ready for a new one ADAPTIVE DESIGN: These razor refills have a pivoting head that adjusts to your curves, including ankles and knees. No awkwardly angling your razor EFFICACY: This female razor's diamond-like blade coating and ribbon of moisture bring a smooth glide to every stroke, closely cutting hair with ease Any Venus blade refill fits any Venus razor handle (except Simply Venus and Venus Pubic Hair Razor)