This is a large, 4-kilogram commercial-sized package of Baking Powder from the brand "Royal Foods International." The packaging suggests it is designed for professional use in bakeries, restaurants, or high-volume food production settings. Baking powder is a essential leavening agent used to help baked goods like cakes, muffins, and biscuits rise and become light and fluffy. This bulk size ensures a readily available supply for consistent, large-scale baking operations.