Magical suction grip-pad technology. USA imported trian material with a crystal clear and high heat resistance characheristic. BPA-free, non-toxic and 100% harmless food safe materials. Scandinavian classical style with the beauty of simplicity. Skillful prismatic cutting body offers the best comfort touch. Finest craftsmanship on the top rim offers the best drinking experience. Elegant look and coloring which is suitable for both workplace and household. Various capacity selection available for different occasions.