⭐ Washing machine tub cleaner. ⭐ It's a Green Coop product, so you can be assured of its quality. ⭐ Weakly alkaline. ⭐ Does not contain synthetic surfactants, synthetic antioxidants, fluorescent whitening agents, chlorine bleach, bactericides, or fragrances. ⭐ Will be shipped disassembled from the box.