Coffee or beer? Both suit the Tumbler just fine. Made from durable 18/8 food grade stainless steel, the 16oz Tumbler is designed to last and travel safely where glass can't go. Double-wall vacuum insulation and electropolished stainless steel don't impart or retain flavors. Pint Lid sold separately. The pint lid is a café cap and you can use with straw with this lid.