Product Details Product Details Double wall stainless steelVacuum insulatedKeeps drinks hot or cold for hoursLeak proof lidFits standard sized cup holdersSweat proofBPA FreeImported Let your Dayton Local Stuff Shop Dayton pride shine with this Dayton Stainless Steel Stemless. This Stainless Steel Stemless features a stainless steel premium vacuum insulation with a sweat-free outside powder coating. City of Dayton!