• 510ml double-wall stainless steel vacuum flask designed to keep drinks hot or cold for extended periods. • Vacuum insulation maintains beverage temperature for approximately **6–12 hours**. • Leak-proof lid prevents spills, making it ideal for commuting, travel, and everyday use. • Small drinking spout allows easy, comfortable sipping while driving or on the go. • Anti-slip base provides added stability and helps prevent accidental tipping. • Durable stainless steel construction is rust-resistant, food-safe, and built for long-lasting use. • Fits most car cup holders, making it perfect for coffee, tea, water, and other beverages during travel. • Lightweight and portable design is ideal for home, office, gym, outdoor activities, and daily commuting.