Caliber Gourmet Bullet Thermos Bottle is designed to look like a Shot Shell, will keep your favorite drink of choice, hot or cold for up to 9-12 hours. Will keep your coffee warm throughout your work day, or your iced coffee cool for those hot summer days. Unique Shot Shell shape design, cool appearance, excellent stainless steel tank, food grade silicone, super insulation, for temperature extension. Handles up to 100 Celsius or 212 Fahrenheit.