304 Stainless Steel Made from highquality 304 stainless steel for superior durability Double Walled Vacuum Insulated Keeps beverages hot or cold for up to 24 hours perfect for maintaining the ideal temperature of your drinks throughout the day Leak Proof BPA Free Designed to prevent spills with a secure leakproof lid and constructed from BPAfree materials for safe and healthy hydration Travel Friendly Versatile Usage Compact and portable design ideal for travel whether commuting to work going to the gym or enjoying outdoor activities Perfect for tea coffee water and other beverages making it suitable for office use school travel and more Stylish and Functional Combines a modern sleek design with sling cover offering both style and convenience