The Insulated Wide 473ml is the best stainless steel coffee mug solution for hot coffee, cold brew, tea, water and more. Constructed with high quality stainless steel and rigorously tested double-wall vacuum insulation, our 16oz Insulated Wide will keep drinks hot for 10 hours and iced for 30 hours. Comes with leak proof Cafe Cap 2.0 which keeps drinks safely contained, spill free and has easy clean construction. Add a wide loop cap to create a full stainless steel interior and make it easy to clip and go. Wide mouth opening fits ice is easy to fill and pour. Electro polished interior, a process that is safe and non-toxic, and rounded corners make the bottle easy to clean.