Arm & Hammer Laundry Detergent Powder is an 18-pound container designed for approximately 290 medium loads. This detergent features four powerful stain fighters combined with baking soda for effective cleaning. It is safe for all washing machines, including high-efficiency (HE) models, and is septic system safe. The product includes a measuring scoop for accurate use and is formulated to deliver crisp, clean results in laundry applications.