These cups fit these model number blenders. (The model number is located underneath the base of the blender and must start with a BL) : BL660 (1100 watt), BL663 (1100 watt), BL740, BL770 BL771 BL772 (1500 watt), BL780 (1200 watt), BL810 BL820 BL830.
BPA Free Plastic Construction. | Dishwasher Safe | Freezer Safe | Microwave Safe.
Ninja 16oz Cups with "FOUR TABS" Please make sure before buying that the cups you are replacing have "4 TABS".
Set Includes, Two Ninja Replacement 16-Ounce Single Serve Cups and Two Sip Lids.
Preferred Parts Premium Nutri Ninja Replacement Parts and Accessories.