This 16 oz. double-wall stainless steel tumbler features copper vacuum insulation to keep hot drinks hot and cold drinks cold. It's perfect for busy teachers, school volunteers, and parents. Add your choice of one-color imprint to the front to customize the travel mug as a teacher appreciation gift, PTA fundraiser, or school promotional item. The tumbler includes a threaded snap-fit lid and wide silicone straw and comes with a gift box for easy and stylish presentation.