Leather manufacturing is a by-product of the meat and dairy industries, and leather can come from any animal. More than a billion animals are slaughtered every year for their skins. But, the most popular type of skin used is coming from cow, calf and buffalo, and accounts for 64% of leather. Turning skin into leather requires many steps, chemicals and generate a significant amount of waste. It is not surprising that the leather industry is consider as a cruel, inhuman and polluting business. Fortunately, leather can be obtained using different animal-free sources of material (e.g.