2Pcs Single Serve Blender Cup with Lid - 16 Oz Cup Blender for Smoothies Ninja Blender Cups Replacement - 4 Tabs Single Serving Blender Bottle Lid For Bl770 Bl780 Bl660 Bl740 Nutri Ninja Blenders

This part works perfectly for my Ninja blender. Back in the smoothy business. Thank you!

I needed a couple of extra single size cups for my blender as three of us in the house are now doing proteins shakes. These fit perfectly and are the exact size and shape of my original that came with my blender.

We needed more cups since everyone likes smoothies and no one likes washing dishes. They fit as indicated and we use them everyday. Better than the ones that came with the ninja blender.

The blade does appear to fit and work in the beginning, but after some usage (after about 1 month for me), you'll realize something is off about it. I noticed the the blade was much louder than the OEM, which I shrugged off since it did its job. After time, you'll notice a brown powdery like substance starting to collect at the motor any time you use it. After some more time, you'll notice a burnt smell whenever you use it, which you'll taste in your smoothie.I've realized it's because the lid doesn't actually fit perfectly onto the motor, which leaves room, which creates friction, which grinds away at the lid, which gradually creates more space, more friction. Eventually the fitment gets so bad, the space and friction created from the spinning motor starts creating heat.TLDR: Buy an OEM lid.

I believe we have had this item for about 4 months. This is our second purchase of this brand. I may buy this again if I can't find a longer lasting one for a good price. The only problem we encountered is that the bearings wear out after about 3-4 months of daily use (2 or 3 times a day).

This new blade actually made our blender quiter.

Tried ordering through Ninja but they did not have any to fit my make/model.. ordered on Amazon and received within 2 days!

After years of daily use, the prongs on the sides of the Ninja blender cups that lock into the motor housing had worn and were no longer engaging. It was a case of finding new cups or a new blender. These 16 Oz Single Serve Blender Cups with Lid turned out to be the perfect replacement. I'm looking forward to 5 more years of service from the Ninja.

Came as ordered. Great product. Sturdy! Love that you can use them to make a shake in and take it to go by switching the lid! Brilliant!

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Exactly what I ordered , works great !!

Great cups to use for my nija smoothies, one of my cups had accidently gotten warped from the dishwasher. Only downside is the lids don't have a cover in the mouth peice. Still happy they fit my machine.

They were perfect , BUT there wasn't a open/close tabThe hole has no seal or closure its open all the time