Our 40 oz tumblers are the ultimate solution for staying hydrated and refreshed throughout the day. Crafted from premium stainless steel, these tumblers are designed to keep your beverages at the perfect temperature for extended periods. The double-wall vacuum insulation ensures that hot drinks stay hot and cold drinks stay cold, making them ideal for any adventure or daily routine. With a durable and rust-resistant construction, our 40 oz tumblers are perfect for outdoor activities, travel, or simply enjoying a large, refreshing drink at home. The spill-resistant lid and sleek, ergonomic design add to their functionality and style, making these tumblers a must-have accessory for those who appreciate quality and convenience.