Add easy capacity to your BL201 series blender. Blend up a smoothie, protein shake, or icy drink with these Ninja 16-Ounce Nutri Ninja Kitchen Pulse Blender Replacement Cups. Work with BL201 Series blenders. With a 16-ounce capacity, these blender cups keep your goodies cold and delicious. Compatible with the Ninja Pulse Kitchen System, these 16-ounce replacement cups get your smoothies on-the-go.