Based in Nagaoka, Japan, Iwatsuka Confectionery Co., Ltd. has been manufacturing and selling various rice crackers throughout Japan since its founding in 1947. The company's product offerings include an assortment of rice-based snacks, such as varieties flavored with black soybean, vegetable crackers incorporating ingredients like carrot, cabbage, and spinach, and savory fish crackers made with local sardine powder and carrot. Additionally, they produce easily dissolvable crackers and classic options seasoned with soy sauce, roasted salt, or a sweet sugar glaze. The firm was originally known as Iwatsuka Nosan Kakojo Co., Ltd. before changing its name to Iwatsuka Confectionery Co., Ltd. in 1960.