The Camco "Life is Better at the Campsite" Tumbler offers superior heat and ice retention. Constructed of durable, kitchen-grade 18/8 stainless steel, this tumbler comes with a BPA-free lid. The double-wall vacuum insulation and built-in gasket help prevent heat transfer, meaning your ice stays solid longer and your cup won't sweat. 20-oz. tumbler fits in most cup holders.• Double-wall vacuum insulation• Superior heat/ice retention• Tumbler doesn't sweat• Kitchen-grade stainless steel• Fully sealing gasket• Convenient Size: 20 oz. Made of kitchen-grade 18/8 stainless steel Built-in gasket Includes BPA-free lid | Camco "Life is Better at the Campsite" Tumbler, 20 oz, Navy in Blue