Vacuum Insulated Large Travel Growler Bottle for Water, Beer, and Tea - Stainless Steel 64 oz Thermos Water Bottle with Infuser Filter and Wide Mouth Dual Opening Cap - EcoVessel BOSS BRING THE BIG BOSS - Bring the EcoVessel BOSS Insulated Stainless Steel Beer Growler bottles can be filled with ice cold craft beer at the brewery or fresh hot coffee from home. The BOSS can keep liquids cold for 36 hours and hot for eight hours. DURABLE METAL DESIGN - EcoVessels BOSS Insulated Water Bottle are made of stainless steel is BPA free. Stainless steel is extremely easy to keep clean, and unlike glass or plastic bottles, it wont break. The lid and cap are also made of stainless steel. WIDE MOUTH DUAL OPENING CAPS - These large travel bottles have two openings. The stainless steel lid screws onto the bottle. Built into the lid is a small spout that has its own screw-on cap that attaches with a plastic strap handle. REMOVABLE STAINLESS STEEL INFUSER - Weve included a removable stainless steel infuser. This filter works great for dry hopping beer, and if youre a tea enthusiast you can use the infuser for steeping loose leaf tea. INTERCHANGEABLE TOP TO SUIT YOUR NEEDS - The BOSS Beer Growler Bottle is compatible with EcoVessels Flip Spout Lid and Push Button Coffee Lid. If you plan on using the BOSS for warmer beverages use the Push Button Coffee Lid.