This Highland Cow American Flag 20oz Custom Tumbler is meticulously handmade using durable stainless steel. A steel straw and cleaning brush are included for your convenience. This tumbler is one of many Custom Tumblers made by AKA Handcrafted Tumblers. It's perfect for both hot and cold beverages. Please note that it's not dishwasher or microwave safe and should be hand washed only. Show off your patriotism with this unique and high-quality tumbler.