This stainless steel insulated coffee tumbler features premium double wall vacuum insulation that keeps your beverages hot for up to 6 hours and cold for up to 12 hours. Crafted from food grade 18/8 stainless steel, it is rust resistant, sweat proof, and built to last. The secure leak proof lid with a sliding closure prevents spills, making it ideal for commuting, office, gym, travel, camping, or everyday use. The slim base fits most car cup holders, and the smooth powder coated finish provides a secure grip and scratch resistance. With a generous 20oz capacity, it is perfect for coffee, tea, water, smoothies, or protein shakes. A practical and stylish gift for coffee lovers, dads, teachers, coworkers, bridesmaids, and groomsmen on birthdays, holidays, or any special occasion.