Blendin 2 Pack Small 18 Ounce Cup with Sip N Seal Flip Lids, Fits Nutri Ninja Auto-iQ 1000w Series Blenders Fits Ninja kitchen systems auto IQ and duo blenders -BL450,BL451, BL484, BL486co, BL480, BL481, etc. All components are BPA free Includes 2 seal lid