Amazon.com: 24 oz Cups For Nutri Ninja Blender w/ Leak Proof Sip and Seal Lid. Dishwasher Safe & BPA-free Ninja Replacement Cup Fits All Ninja with Auto iQ Systems (Pack of 2) :
Ninja Blender Duo with Auto-iQ BL642 Review - RTINGS.com
Is The Ninja Blender Dishwasher Safe and If So, How To Do Clean It?