symGlass 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 our 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, symGlass is nearly unbreakable. symGlass is made in the USA and carries a satisfaction guarantee.