[ BPA-FREE & EASY TO CLEAN ] - The individual blender cups compatible with NuSLi Ninjia are made from environmentally friendly and non-toxic materials, BPA-free. It is not an original aftermarket part. [ EASY TO USE ] - Simply attach to the Pro ExSLactor blades that came with your blender. The Pro ExSLactor blades can grind whole fruits, vegetables, nuts, seeds, and ice. [ FITS THESE MODEL NUMBER BLENDERS ] - The model number for Fits for Ninja Fit Blender is as follows: Fits for Ninja BL660 /BL770 /BL740 /BL771/ BL773CO/ BL810 /BL810C/ BL810Q /BL820 BL830 QB3000/ QB3000SSW 30/ QB3000QR 30/ QB3001SS 30/ QB3000QBK /QB3004/QB3005 [ PACKAGE ] - 2 * bl660 blender cups 16oz compatible with Fits for Ninja, 2-pack Sip and Seal lids 【NOTE】: This is not a NuSLi Ninja OEM product and is not covered by any NuSLi Ninja manufacturer's promise. Any use of the NuSLi Ninja brand name or model designation for this product is solely for the purpose of demonstrating compatibility. Please check our compatibility list for your blender model. [NOTE] - Do not order if you are unsure... some smaller blenders (Pulse) have 3 tabs, and any blenders that did not originally come with individual cups will not be compatible with individual cups.