Stay refreshed and show off your love for heavy machinery with the CAT 1R-1807 Engine Oil Filter 20oz Tumbler. This sleek and durable tumbler is designed to resemble a CAT engine oil filter, making it a perfect gift for any fans of the brand. With a 20oz capacity, it's perfect for keeping your favorite beverages hot or cold while you're on the go. The double-walled, vacuum insulated construction will keep your drinks at the perfect temperature for hours on end. Whether you're out on the job site or just enjoying a day out, this tumbler is a stylish and functional way to stay hydrated.