Caliber Gourmet Bullet Thermos Bottle is designed to look like a bullet and will keep your favorite drink of choice, hot or cold, for up to 9-12 hours. It will keep your coffee warm throughout your work day or your iced coffee cool for those hot summer days. Unique bullet shape design, cool appearance, excellent stainless steel tank, food-grade silicone, and super insulation for temperature extension.Features :17 ounces (500ml)Leak Proof LidKeeps Drinks Cold for Up to 12 Hours and Hot Drinks Hot for Up to 12 HoursHandles Up to 100 Celsius or 212 Fahrenheit