Highlights Long-Lasting Insulation: Our stainless steel coffee cup features a double-layer vacuum insulation design that keeps beverages cold for up to 24 hours and hot for up to 12 hours, making it perfect for long-term storage of cold or hot drinks. Tight and Leak-Proof: To prevent any leaks, the bottle lid is equipped with a silicone gasket. Even with 360 shaking, this stainless steel bottle remains completely leak-proof, eliminating any worries about spills. 40oz Large Capacity: With a size of 3.6" x 11.6" and a large 40oz capacity, this stainless steel coffee mug provides enough hydration to meet your drinking needs for the entire day, ensuring you stay refreshed at all times. Easy to Carry: The lid features a ergonomic carry loop for comfortable grip, allowing you to carry it without needing an additional bag. It's designed for easy, on-the-go use-just grab and go anytime, anywhere. Safe for Drinking: Made from double-layer 18/8 food-grade stainless steel and FDA-certified, this travel mug ensures safe and reliable use, giving you peace of mind with every sip. Specification Brand:VEVOR Details Stay Refreshed All Day?Hot or Cold, No Spills, Just Pure Hydration! This long-lasting insulated water bottle features a double-layer vacuum design, ideal for prolonged cold or hot beverage storage. The lid includes a leak-proof silicone seal, ensuring a tight fit with no leaks. With a large 40oz capacity, it meets your hydration needs throughout the day. This waterbottle is crafted from double-layer 18/8 food-grade stainless steel, keeping drinks warm in winter and cool in summer. Designed with two mouth sizes for versatile use. The small opening is perfect for sipping. The large opening allows easy access for ice cubes, making it ideal for refreshing summer drinks. Featuring a twist-cap design for secure and hygienic use, this bottle has an integrated lid that's hard to misplace. The twist mechanism not only ensures cleanliness but also enhances convenience. The wide-mouth design makes cleaning effortless, allowing for quick, thorough rinsing and helping maintain cleanliness with minimal effort.