The Sebo duo-P clean box Includes: 1-Pack of Powder & Hand Brush Spotting Kit covers 110 sq. ft. Simply distribute the dry clean powder on to your carpeting, gently work the powder into the carpet using the brush provided within the SEBO Clean Box. Then leave it to do its work. Once the duo-P powder has absorbed all of the dirt after approximately 30 minutes (you can tell because the area will be dry to the touch), simply vacuum over the area to leave your carpet looking beautifully clean.