This product is an 18 oz. stainless steel double-wall tumbler with vacuum insulation, designed to keep drinks hot or cold for up to 6 hours. It features a snap-on, spill-resistant lid with a rubber gasket, is BPA free, and meets FDA requirements. The tumbler comes in various colors and lid options, including some made from recycled materials, and is approximately 7" H. Multiple imprint and personalization methods are available, such as silk-screen, 4-color process, and laser engraving.