King Size: 32 oz size. If your blender jar is overfilled after adding milk, protein powder, frozen fruit, bananas, peanut butter, and some ice cubes, then this is the solution for you. COMPATIBLE WITH NUTRIBULLET 600 AND 900W MODELS: Compatible with all NutriBullet Original (600W) and NutriBullet Pro (900W) accessories ONLY - This blender jar will NOT work with NutriBullet Lean (1200W) or NutriBullet RX (1700W) accessories - this This mug will definitely not work with Magic Bullet or Ninja blenders HIGH QUALITY: No air bubbles or plastic cracking. Perfect seal, no leaks. Threads are smoothed for easy on and off. WARNING: Do not use hot liquids. Non-genuine aftermarket parts. Lid, Just Cup not included. This part/product is not sponsored or endorsed by, or affiliated with, the brands it fits, including Nutribullet.