LOHOME Stainless steel Vacuum Cup, 500ml/17 Ounce Sakura Double Wall Vacuum Flask Thermoses Stainless Steel Heat Resistant Bottle Vacuum Insulated Cup Drinks Coffee/Tea Travel Thermal Mug Thermos Make of stainless steel with high durability. Superior insulation ensures hot or cold liquids remain that way for extended length of time. Convenient to carry and good for travel. You can turn it upside down, shake it up, roll it, the liquid will not spill. Lightweight and portable design makes it a nice choice for different occasions. You can put it in a car cup holder whiling driving. Wide mouth opening for easy cleaning and so you can add ice to keep your beverage cold. Perfect for hiking, days on beach, hot yoga classes, golf, long road trips or everyday office use.