Personna Platinum Chrome Double Edge (DE) Razorblades are an extra high quality Platinum & Chrome coated blade. A superb shaving performer, it's incredibly sharp, durable razor edge provides optimum shaving comfort with a high level of shaver's satisfaction achieved. The blades are of a standard format and will fit and Double Edge Safety Razor. They come in a handy plastic pack which also holds your used blades. Made in USA.