Black Stainless Steel Thermos Bottle – 800ml Vacuum Insulated Hot & Cold Water Flask

Keep your drinks hot or cold for hours with this sleek Black Stainless Steel Thermos Bottle 🖤. Made from durable SUS 304 steel, this 1L vacuum-insulated flask maintains temperature for up to 24 hours. Perfect for travel, office, or gym — leak-proof, easy to carry, and stylish. Eco-friendly and reusable design for everyday hydration. 🌿🔥❄️