Sip on the summits at Yellowstone with this geothermal-inspired topographic tumbler. Featuring a detailed USGS topographic map of Yellowstone's dramatic thermal features and geysers, this 20oz insulated tumbler celebrates America's first national park. The double-walled stainless steel keeps your beverage perfectly tempered while you watch Old Faithful erupt, explore hot springs, or hike the Lamar Valley. Built tough for the thermal features and wildlife-filled landscape Yellowstone is famous for. A must-have for geology enthusiasts and thermal-feature explorers.