The product is an authentic Keurig K-Duo 5100 coffee maker replacement pot. It is a 12 cup glass carafe that is compatible with Keurig K-Duo 5100 model. The carafe is black in color and has a height of 5 7/8 inches and a width of 8 1/2 inches. It comes in a pack of one and is designed for Keurig brand and for Keurig compatible brands.