Have you heared alloy material ? Alloy material have been developed for two years. With its' advantages, it have appeared many differnt shape luggage in market. CHINA YATCH, as a professional luggage supplier, also developed a series of luggage. We also have a lot of patterns for your choice. Advantages as below: Much more high temperature than PET Much low temperature than ABS Much more anti-scratch than ABS+PC film Much more Durable More pattern options High toughness