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 fit tight 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. Equipped with a reusable PE straw, ideal for daily use. The wide-mouth opening allows for easy sipping and convenient ice addition, perfect for staying refreshed on hot summer days. Featuring a press-to-open design, this waterbottle allows for effortless, one-touch operation, making it easy to use and simplifying life's little details for an enjoyable experience.