The Brumate 40 oz Era is the perfect companion for keeping your favorite beverages cold. With its double-wall insulated design and stainless steel construction, it can keep your drink chilled for up to 24 hours. The durable construction also ensures that your drink stays at the perfect temperature, no matter where your adventures take you. Plus, the 40 oz size means you can stay hydrated for longer without having to refill. Upgrade your drinking experience with the Brumate 40 oz Era.