U R Uneek is simplifying your life! We are a family owned business and we strive to provide high-quality products that can help you and your family simplify your life. Made of 100% food grade silicone. Our products are heat resistant up to 230C/446F making them top rack dishwasher and microwave safe. Ultimate Space savers! BPA free. (Note: Due to the flexibility and size of the larger 1 cup, liquids may need full hand support. Spilling is a possibility without.)