Blendin 2 Pack 24 Ounce Tall Cup with Lip Rings, Fits Nutribullet 600W 900W Blenders Two 24 ounce Tall Cup Jars with Two Screw Off Comfort Lip Rings. Fits Nutribullet 600 Watt and 900 Watt only. The cups will NOT work with NutriBullet Prime, RX (1700 watts) or any Magic Bullet or Nutrininja. Dishwasher Safe. BPA Free Withstand the vibrations of the blender Strong and durable Dishwasher safe Crack resistant Creamy soft-serve smoothies Awesome lemonade Easy pancakes Silky smooth soups