Come and see our amazing products. The stainless steel construction means you can take this ultra-durable tumbler from the heart of Death Valley to the highest peaks of the Himalayas. This tumbler is equipped with double-wall vacuum insulation, so your hot drinks will stay hot and cold drinks cold. The flip-top lid closure makes this tumbler compatible with straws. It's an excellent DIY gift as you can add any designs you want, really suitable as the customized gift for your friends, family and company gifts. 12oz, 20oz and 30oz are all available. Pls confirm further with us if any query about packing info, inventory status and time schedule.