Nowadays, glasses are already a must-have item in life, but the materials of glasses are also various. Among them, a better plastic frame is popular among consumers, but the plastic frame glasses are also diverse in the material of the frame. The advantages of different materials are also different. The following will introduce the advantages of plastic frames of different materials. Plastic is known as the most revolutionary material of the 20th century, and is soon used in the eyewear industry. http://www.ofeyewear.com/