OTE Coffee Cup Made of high-quality food-grade stainless steel, double walled, vacuum insulated, durable and unbreakable. BPA Free, Lead Free, kids and adults can use it with peace of mind. Pack your leakproof and spill-proof insulated mug in your bag, backpack or suitcase without any worrying about spillage or leak. Take it anywhere you want go, to office, school, travel, parties, and etc. Enjoy the nice day and nice beverage! Double wall, vacuum sealed design makes the reusable coffee cup keep drinks cold or hot for hours, Pour hot or iced coffee in your coffee travel mug and feel energized for the day.