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Customer reviews for Ninja BlendBOSS Tumbler Blender with 26oz Travel Tumbler & 18oz Single-Serve Cup for
Ninja BlendBOSS Tumbler Blender with 26oz Travel Tumbler & 18oz Single-Serve Cup
4.4 out of 5 stars
stars
10 ratings10 reviews
  1. 5 stars70% (7)
  2. 4 stars20% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star10% (1)
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Showing 1-10 of 10 reviews
May 13, 2026
Sam customer
5 out of 5 stars review

Great blender!

I've been using this blender for about a month now and I'm very happy with it. It's big enough for my morning smoothies, strong and powerful enough to blend fruit, ice, etc. The process is easy and fast; and cleaning is much easier than my previous blender. I'm definitely happy that I made this purchase.

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Jan 31, 2026
G Nina
5 out of 5 stars review

Great Smoothies & Shakes

I have only had this for a couple of weeks!! It works like a charm…smoothies & shakes turn out great!! It sits on my counter and looks great!!

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Jun 22, 2026
Nonnaredsrosie
5 out of 5 stars review

Best Smoothie blender

Love, Love,Love this blender! Easy to use and clean. Precise results in a minute. My only complaint is that the tumbler is small. I would like the option of a 32 oz. Tumbler. Please give the option.

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
May 29, 2026
Jackie 777
5 out of 5 stars review

Great

Excellent product. The best thing I have a a butt..

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Jan 18, 2026
Cammietoo
5 out of 5 stars review

Love the size of the mug.

Received as a Christmas gift. So glad I put it on my list. Holds my protien drinks with no problem.

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Mar 20, 2026
Niners
5 out of 5 stars review

Great Blender

Amazing blender exactly what I was looking for !!!!!

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Feb 23, 2026
Debby Cyr
5 out of 5 stars review

Awesome product

Best smoothie blender that I ever tried. The cup is large and very easy to bring with you

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Jun 9, 2026
KJeremy
4 out of 5 stars review

Ninja BlendBOSS Review

I am thoroughly impressed with the performance of the Ninja BlendBOSS™ Personal Blender. It handles frozen fruit, ice, and leafy greens effortlessly, creating perfectly smooth textures every time. The motor is incredibly efficient, making quick work of my daily morning smoothies without leaving any unblended chunks behind. Clean-up is also a breeze, as the cups and blade assembly rinse clean in seconds. However, there are two minor drawbacks worth noting. First, the motor is very loud during operation. While it blends quickly, the noise level is quite intense for a personal blender. Second, the push-to-open flip top on the travel lid feels a bit flimsy. The plastic mechanism seems fragile and like it could break over time if handled roughly. Despite these two issues, the sheer blending power and convenience make it an excellent investment. If you need a fast, heavy-duty personal blender and do not mind a bit of noise, this machine is a fantastic choice.

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Jun 29, 2026
N1995
4 out of 5 stars review

Great product

Love the product, but unfortunately the straw isn't great. A sturdier straw that isn't rubber would be perfect and easier to clean.

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
Jul 12, 2026
mackleeena
1 out of 5 stars review

Nope, do not buy.

I was so excited for this product by unfortunately it ruins my morning. It doesn’t blend my smoothie all the way, so i have to scrape it and redo it. And also it is so incredibly hard to close all the way, and to open it, forget about it. It makes my hands every time. Would not recommend to anyone. DO NOT BUY

Review from sharkninja.com
Helpful?1GBD8DAQBH9S20172222845
reply from SharkNinja

Hi there, Thank you for sharing your feedback. We're sorry to hear that your experience with the Ninja BlendBOSS has been disappointing. We understand how frustrating it can be when smoothies aren't blending completely and when the lid is difficult to open and close, especially when you're trying to get your day started. We recommend reviewing the troubleshooting guide below, which may help address the blending and lid concerns you're experiencing: https://support.sharkninja.com/article/DB300-Series-Ninja-BlendBOSS-Troubleshooting-Guide?redirect=false If the issues continue after following the troubleshooting steps, please reach out to our team using the link below so we can take a closer look and assist further: https://support.sharkninja.com/contact-us We appreciate you bringing this to our attention and would love the opportunity to help improve your experience. Warmly, Ninja Kitchen