SLUSHi XL is 2X bigger* & 2X faster** than the original Ninja SLUSHi. Ninjas exclusive SlushAssist Technology is your behind-the-scenes expert, sensing your liquid ingredients & auto-adjusting the temperature for perfect results without the guesswork. *vs Ninja SLUSHi FS300. **Compared to Ninja SLUSHi FS301. Recipes may vary.