1Made of high quality material, ABS and UV paint, wear-resisting and soft touch. 2With exquisite workmanship, it has smooth and comfortable hand feel. 3Double-sided heating, can provide about 4 hours of warm heat. 4Portable to carry, suitable for using in classroom, office, library, tea house, home, etc. 5Fashionable and beautiful, it can be used repeatedly and durable for long time use.