Frost King DE46 Automatic Plastic Drain Away Downspout Extender, Extends 4-Feet, Green N/A Imported Extends 4 feet, Green automatic plastic drain away Takes water away from foundation Unrolls automatically when it rains Rolls back up when its dry Installs easily without tools Green. Flexible. Automatic Downspout Takes Water Away From Foundation Installs Easily, Without The Use Of Any Tools Unrolls Automatically When It Rains, And Automatically Rolls Back When It-Feet's Dry Measurements Are 46-Inch X 8.5-Inch