Large Andersen window (half-inch smaller on length and width, but essentially fits 7 ft x 3 ft opening). Has large fixed panel and smaller panel that opens. White on one side and dark brown on the other. These bay windows are quite expensive new (at least $1800). It is very heavy and in new condition (never installed). Here is what an Internet search says about these windows: An Andersen 100 Series bay window with dimensions 7 ft x 3 ft is a budget-friendly option made with Fibrex composite material, offering durability and energy efficiency. These windows come in various configurations and are designed for easy installation and low maintenance. Price is 300 dollars OBO.