• Durable, double-walled, vacuum-insulated 18/8 stainless steel bottle keeps drinks cold up to 31 hours or hot up to 11 hours
• High-flow spout allows you to hydrate quickly
• Button-operated AUTOSEAL feature seals the lid between Sips to eliminate spills and leaks, and a patented slide lock prevents the accidental pushing of the button while you're on the go
• Protective spout cover keeps dirt and germs off your mouthpiece, and dropdown lid feature makes it easy to clean
• 100% BPA-free for Peace of mind