1 【PRECISE MIXER LID REPLACEMENT】 Our mixer lid for the Ninja is designed to fit only the new 72 oz pitcher lid part design with edge extensions. (If you are unsure if the pitcher replacement lid will fit your blender, please email us and we will confirm for you). 【QUALITY MATERIALS】Replacement locking lid is made of the same material as the original machine - well-designed and made of high quality clear polycarbonate. Compared with other cheap plastic replacement locking lids, our replacement locking lids are dishwasher safe, freeing your hands. 【COMPATIBILITY】The Blender Kettle Lid is compatible with the new Ninja Blender models: BL770 BL771 BL773 Series. For more model details, see descriptions in the images below. 【PERFECT FIT】Replacement locking cap. Bisphenol A free. seals the blender well, not easy to loosen and cause splashing. Rigorously tested, waterproof, durable and long-lasting. 【WARNING】 Please check that your blender model is a new model kettle with rim extension.