Used only once. Recommended for cooking with small children! The following is from the official website: Simply put the ingredients for the batter into the bottle and shake to complete the batter! This is a convenient bottle that can be poured directly onto a takoyaki maker or plate. It makes preparing for flour-based cooking such as takoyaki and pancakes easy. Just put the ingredients and the included stainless steel blender ball into the bottle and shake to easily make takoyaki or pancake batter. No need for a bowl, whisk, or ladle. The large opening makes it easy to add ingredients, making preparation quick and easy. The soft bottle allows you to adjust the amount of batter you pour. Easy cleaning: just add dish soap and warm water, shake, and rinse. Size: Approximately 10.3cm (length) x 10.3cm (width) x 27.5cm (height) Weight: Approximately 175g Materials: Polypropylene, silicone rubber, 18-8 stainless steel Sold by: Fujisho Country of origin: China *Not dishwasher safe. Batter dispenser, batter master, bottle, mixer, 1L, takoyaki making, pancake making, convenient goods, shake only, shaker, shake mixer, with scale, easy, convenient, kitchen goods, cooking utensils, shaker easy cooking, shake, family, housewife, children