Shop Channel Three K Drain Pipe Cleaning Liquid Contains Natural Bio-Enzymes Single-Use Type Made in Japan 500ml x 12 pieces ★This is a new, unused item, but it has been stored at home. I would be happy to pass it on to someone who understands this. It breaks down slime deep inside drain pipes, cleaning every corner, and natural bio-enzymes break down slime to prevent odors. It also prevents the re-adhesion of slime. Use it in water areas where odors are a concern, such as kitchen drains, washing machine drains, bathroom drains, and directly from the toilet. ◇ Spreads to every corner of long pipes ◇ Prevents dirt from accumulating with continuous use ◇ Penetrates and removes dirt thoroughly ◇ Prevents the generation of odors by breaking down slime ◆ Contents: 500ml x 12 bags ◆ Ingredients: Enzyme extract from soil ◆ Liquid: Alkaline Thank you.