Contigo West Loop AutoSeal 20 oz Travel Mug Double wall insulated Stainless Steel Patented AUTOSEAL lid automatically seals between sips to eliminate spills and leaks Lid underside flips open completely for easy cleaning Double-wall vacuum-insulated stainless steel keeps beverages hot for 5 hours or cold for 12 hours Top-rack dishwasher safe lid; 100% BPA free Fits most single-serve brewers and car cup holders. Great for Spirit Drinks and Barbeque