The Treet Corporation has been a manufacturer in Pakistan since the 1970's but the Treet blades date back to 1954. They were one of the first 10 companies in Pakistan to receive their ISO 9001 : 2000 certification for quality. Packaged in environmentally friendly cardboard boxes which are easy to recycle. These blades have been sought after by wet shavers for decades. Fits all standard double edge safety razors.