Stock Your Home 12 oz Wine Cups are designed for reliable single use. Made from PLA, a material derived from corn or sugar cane, these cups are BPA free and built for everyday use. They are strong and durable, making them ideal for serving wine, water, iced tea, soda, cocktails, and more. Store in a cool area away from direct sunlight. Suitable for use between 40 and 105 degrees Fahrenheit.