Drinkware is a fabulous BPA free alternative to traditional glassware. Each piece is crafted from an advanced, durable polymer. The result of this form and function combination provides a truly elevated drinking experience. You can expect this drinkware to have the heft of a glass but the durability, safety, and superior insulation of an FDA approved molecular composition. Microwave and top-rack dishwasher safe, and is nearly unbreakable. Made in the USA.