The Healthy Human Stainless Steel Tumbler with Straw is the ultimate travel companion for those who want to keep their beverages at the perfect temperature. This sleek and stylish tumbler is designed to keep your drinks cold or hot for 2X longer than traditional mugs or plastic cups. Crafted from premium food-grade 18/8 vacuum insulated stainless steel, this tumbler is built to last. The advanced Double Wall Vacuum Insulation, featuring TempMax copper-coated insulation, ensures that your drinks stay at the desired temperature, whether it's ice-cold water or a piping hot cup of coffee. Not only is this tumbler highly functional, but it is also eco-friendly. Healthy Human is a Certified B Corporation, committed to making a positive impact on the environment. With over 2,500,000 plastic water bottles removed from oceans worldwide and 20,000 trees planted, you can feel good knowing that your purchase supports a company that is dedicated to sustainability