The Karcher 3 in 1 Stone & Paving Cleaner with the ultimate 3 in 1 formula offers active dirt dissolver for faster and more efficient cleaning and soiling due to air pollution. It reduces re-soiling to keep your terrace or garden wall clean for a long time. The formula also provides wind & weather protection for the perfect care of stone surfaces. The surfactants used are bio-degradable, and the highly efficient natural ingredients make it a great choice. The bottle is made of 45% recycling material.