These wonderful stay dry liners made by Fuzzi Bunz measure 16" X 7" and are to be used in your current fitted, flat, or pre-fold diaper to create that Fuzzi Bunz "Stay Dry" bottom. Fleece layer wicks wetness into diaper! Serged with a wool nylon thread. These liners are for use in NON-Fuzzi Bunz diapers for stay dry benefits only. They DO NOT add absorbency to the diaper. They just make sure that babies skin stays dry.