Pure Pour™ opening makes it easy to fill and pour without drips Insulated, leakproof cap lets you transport your favorite wine anywhere Silicone base for extra traction on slippery surfaces Holds an entire standard bottle of wine Pairs with our 10 oz Wine Tumbler TempShield™ insulation eliminates condensation and keeps wine at the perfect temperature Durable 18/8 Pro-Grade Stainless Steel construction won't retain or transfer flavors BPA-Free and Phthalate-Free