Dometic 10oz Insulated Stainless Steel Tumbler Dometics 10oz tumbler lets you take your drink with you without worrying about it cooling off or spilling. This insulated tumbler features double wall insulation to keep your drinks cold for up 12 hours and hot for up to 6. Constructed from stainless steel this tumbler can hold up to what life throws your way and is dishwasher safe for quick and easy cleaning. The form fitting plastic lid has a removable gasket and a splash resistant press fit slide