Even in rooms that have been closed, you can keep it away from the crowd for a week. With 1 piece, it effectively deodorizes 2 heads of mushrooms, so you dont have to worry about it in a closed room. The absorbent surface of the sheet is white, so you can easily see the color of the oisko and check your health. Raw Materials/Composition: Non-woven polyolefin fabric, cotton-like pulp, absorbent paper, polymer absorbent material, polyethylene film, antibacterial agent, hot melt adhesive, fragranced micro capsules. How to use: Use with a deo-toilet or other system toilet.Do not use this product alone.In addition, when using a deodorizing toilet, please be sure to use with a deodorizing and antibacterial sheet exclusively for the deo-toilet.