Our quality crafted, reusable, safe and highly durable insulated tumblers from Makerflo will be your best friend from summer to winter, on road trips to camping trips and at work or at home. You can use this multi-use tumbler with your daily essential cup of coffee, tea, water, wine, protein shakes, smoothies or any other hot or cold drink! Make this your everyday favorite portable travel companion, the Skinny Insulated Splash Proof Double Wall Insulated Tumbler(s). 30 Oz Tumbler, Silver Skinny Travel Tumbler with Splash Proof Lid and Straw.