This is the "Fruit Wine Bottle R Type 2.7L" from Takeya Chemical Industry. Its main features are as follows: * Made of lightweight and durable PET resin compared to glass, making it less prone to breaking. * The material is acid-resistant and doesn't easily retain odors, so it can be used not only for fruit wine but also for pickles using vinegar (such as pickled shallots). * It has a gas release valve that naturally expels excess gas, making it suitable for storing fermented products. * The spout opens with a single touch, making it easy to pour the contents. "How to make delicious plum wine" is included. The recipe explains how to make homemade plum wine using ume plums, white liquor, and rock sugar.