DescriptionKeep your drink at the perfect temperature throughout your day with this Primula 20oz Avalanche Thermal Tumbler. Its double wall stainless steel vacuum insulation coupled with an interior layer of copper coating keeps your beverage cold for up to 24 hours and hot for up to 8 hours. The twist-texture design adds a great look along with a comfortable grip. Plus, its easy-to-use lid design slides open and closed and is also straw-compatible. Lastly, the 20 oz capacity is the perfect sipping size to get you through your day and is also single-serve compatible.