What are the fillings of colorful oatmeal buns?

Red bean paste Multicolored oatmeal bag is an instant breakfast food in Cantonese-style quick-frozen steamed stuffed bun dim sum teahouse. Wheat buns are divided into two kinds of stuffing, red bean stuffing and bean paste stuffing. Colorful oatmeal buns are deeply loved by the general public because of their rich taste, the appearance of oatmeal embellishment and the softness and chewiness of wheat buns.