Buy Mainstays Single Serve K-Cup and Brew Coffee Maker, Black at Walmart.com. Buy Mainstays Single Serve and K-Cup Brew Coffee Maker, Red at Walmart.com. Shop Mainstay at the Amazon Coffee, Tea, & Espresso store. Free Shipping . Keurig K55 Single Serve Programmable K-Cup Pod Coffee Maker, Black (White). Amazon.com: Mainstays 5-Cup Coffee Maker: Kitchen & Dining. . Keurig K-Compact Single Serve Coffee Brewer Maker in Black with the Slimmest Removable . Shop Mainstays at the Amazon Coffee, Tea, & Espresso store. Free Shipping on eligible items. Everyday low prices, save up to 50%. Mainstays Single Serve Coffee Maker: Works with ground coffee and K-CupsSimple one-touch operation14-oz. water reservoir Includes reusable ground coffee . Mainstays Single Serve Coffee Maker. Used, and in very good condition. Works with ground coffee, or k-cup pods. Comes with a 14-oz water reservoir. Enjoy your favorite hot beverage with the space-saving, single-serve Mainstays Coffee Maker. The versatile brewer works with ground coffee, as well as K-Cup . 21/01/2016 - Fans of single-serve coffee makers that take soft pods or hard-shell . It fell short in comparison to long mainstays in the top ranks of our Ratings .