This is seal lid Sip Seal cup lids Compatible with nutri ninja blender 16oz cups All the parts are made to exact OEM specification and are made to fit the part # They replace these model number blenders: BL660 (1100 watt), BL663 (1100 watt), Ninja Mega Kitchen System Blender BL770A 30/ BL770 30/BL773CO 30/BL771 30/BL772 30/bl770w 30/BL772Q 30/BL773CCO 30, BL773REF30/BL771A 30, BL771C 30 1500W motor base (1500 watt), BL780 (1200 watt), BL810 BL820 BL830,BL203QBK/BL208QBK/BL207QBK/BL206QBK/BL209/BL201C/BL201/QB3000/QB3000SSW/QB3004/QB3005/BL100/BL101/BL102