Experience ultimate hydration with Ferusa's 750 ML Insulated Stainless Steel Thermos Bottles. This set of two offers unparalleled convenience with its double-wall copper-coated vacuum insulation, ensuring your drinks stay hot or cold for up to 24 hours. Crafted from 304-food-grade stainless steel, these bottles are BPA-free, rust-resistant, and designed for durability. The powder-coated exterior provides an anti-slip grip, while the leak-proof and sweat-proof design ensures no spills. With a wide opening for easy cleaning and dishwasher-safe construction, these bottles are the perfect blend of style and functionality.