• keeps your drink hot for 20 hrs and cold for 24 hours
• insulated double wall vacuum with copper coating for maximum temperature retention
• 100% food-grade stainless steel
• leak proof
• condensation-free exterior so your hands and bag stay dry
• cool to touch body with hot liquids and sweat-proof with cold liquids
• BPA and phthalate free - all plastic parts are food grade
• non leaching and toxin-free for healthy drinking
• mouth wide enough for ice cubes and drip-free sipping
• fits standard-size cup holder
• sleek and thoughtful design makes it easy to carry inside pockets of backpacks or bags