This pack counts 10 universal double edge blades made of stainless steel.
Each blade is coated on its edge with platinum for a smooth glide over your skin. They come in pack of 10, which will last you an average 60 shaves.
Dimensions: app 4.4 x 2.5 cm
This hasn't changed my lifestyle and I don't find it works "better" than traditional razors. But I haven't had ANY problems with it whatsoever. I just love the company's ethics, the product's look and obviously its life expectancy !