Stainless steel. According to the official website of Gourmet Jie, the material used for the Houfu Butter Bibimbap Spoon is stainless steel. Stainless steel is resistant to corrosion and high temperatures, as well as being easy to clean and hygienic. This material is very safe to use on food contact surfaces and maintains good performance over long periods of time. Houfu butter bibimbap is the Hangzhou Hexagonal Restaurant Management Co., Ltd. pioneered to focus on doing authentic butter bibimbap as the main takeaway brand, adhering to the "natural is the best ingredients, craftsmanship is the best condiments" concept, is committed to the inheritance of the traditional butter bibimbap.