The low cost of bi cast leather and bonded leather may sound appealing. Many people are drawn to leather for its long-standing reputation of providing superior comfort and durability. It is important to know the differences in types of leather in order to receive the maximum value for your investment. There are many different types of leather from which to choose, but not all leather is created equal. Some upholstery fabrics have leather components, such as bi cast leather and bonded leather, but they simply do not compare to 100% genuine leather hides.