Come and see our amazing products. Our sublimation hogg tumbler set is made of 304 stainless steel, more durable than other ordinary plastic, and we add silicone rubber base on the bottom to keep it from sliding on slippery surfaces and reduce the noise. Double-wall vacuum insulated thermal design is good for keeping your drinks warm or cold for a longer time, so you can use it in any season. And also our tumblers bundle comes with a push-on lid to keep any dust particles getting in and stop major spills. Pls confirm with us about the packing info, stock color and exact production time before placing your order.