Made of high-quality quality stainless steel content, harmless and non-toxic, safe to use.Excellent high temperatures maintenance and robust sealing functionality, particularly long heat preservation time andleak proof.The non slip model of the bottom level tends to make the cup much more steady.Exquisite visual appeal, fashionable glass framework with starry sky pattern.Portable dimension, very easy to have, an effective companion on small business excursions, journey, outdoor tasks, etc.Easy to work with, quite realistic, convenient for yourself to consume snug water/hot drinks irrespective of where you can are.A present which is great for pupils, close friends, relatives and yourself.