The Stainless Steel Double Wall Vacuum Flask (500 ml) is a durable and practical sports water bottle designed for everyday hydration. Its double wall insulation keeps beverages hot or cold for extended periods, while the built‑in straw ensures convenient sipping during workouts, travel, or office use. Made from premium stainless steel, it resists rust and maintains freshness. Compact and portable, this flask is ideal for those seeking a reliable, stylish, and eco‑friendly alternative to disposable bottles.