Sduck Replacement Parts for Nutri Ninja Blender, 2 Sip and Seal Lids for 900/1000W Auto-Iq and Duo Blenders Nutri Ninja Blender not for Bl660 Bl770 Bl780 Bl810 Bl820 Bl830 Only Fit for BL2012 BL2013 BL450,BL451, BL484, BL486CO, BL480, BL481, BL482, BL483, BL484-30, BL487A BL487 BL488 BL488W BL490 BL491 BL492 BL492W, BL640 BL641 BL642 BL642W BL642Z BL680A BL682, Nutri Ninja single serve with auto IQ model PLEASE NOTE: These cups NOT FIT these model number blenders: BL660 (1100 watt), BL663 (1100 watt), BL740, BL770 BL771 BL772 (1500 watt), BL780 (1200 watt), BL810 BL820 BL830 Diameter: Aprox 9cm 900w 1000w Auto-iQ and Duo Nutri Ninja Blender Replacement Parts Lid (Only fit for 18oz, 24oz, 32oz not fit for 16oz)