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.