This is a Genuine Replacement Lid for the Bodum Bean 51 Oz, (12 Cup) Cold Brew Coffee Makers. The color of the lid is black, but it will fit all items beginning with 11683 or K11683 regardless of colors. This lid is used for storing the coffee maker in the refrigerator overnight for brewing without the hassle of having to leave the plunger up. The lid also has a silicone ring to ensure a snug fit. This will keep the coffee aromas in while keeping the competing odors in your fridge out!