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Customer reviews for Ninja BlendBOSS™ Tumbler Blender with 26oz Travel Tumbler for
Ninja BlendBOSS™ Tumbler Blender with 26oz Travel Tumbler
4.6 out of 5 stars
stars
201 ratings201 reviews
  1. 5 stars77% (155)
  2. 4 stars14% (28)
  3. 3 stars2% (5)
  4. 2 stars2% (5)
  5. 1 star4% (8)
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Showing 41-50 of 201 reviews
Sep 9, 2026
Reviewer name: nasibG
4 out of 5 stars
4 out of 5 stars review

Works great but a little noisy .

This blender works well and is easy to use.it blends my drinks smoothly, and the tumbler is a nice size. Cleaning is simple , but it it a little loud.

Review from influenster.com
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Sep 12, 2026
Reviewer name: Pjuren
5 out of 5 stars
5 out of 5 stars review

Best personal blender

I love it! I literally use it 2-3 times a day. I use it to blend my protein drinks and so much more. I can't imagine not having it. If I had to lig a complaint, it is super loud, but not really a huge deal.

Review from sharkninja.com
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Sep 24, 2026
Reviewer name: VictoriaW
5 out of 5 stars
5 out of 5 stars review

Best single serve blender on the market

My favorite blender of all time. This easy to use blender lets me make single serving smoothies in just minutes. It's easy to put together that even I managed it.

Review from influenster.com
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Apr 26, 2026
Reviewer name: Bronco-daa
3 out of 5 stars
3 out of 5 stars review

Disappointed

Just used this for the first time yesterday and so far, worked well. Just disappointed in the color as it was different on line. I wanted to leave it out on my counter top to match my other accessories, but the color is really ugly. I would like to give it a higher rating, but am disappointed. My Ninja coffee maker in the light blue was perfect as viewed on line, but this was not.

Review from sharkninja.com
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reply from SharkNinja

Hi there, Thank you for taking the time to leave a review. We’re really glad to hear the product performed well for you on first use, but we’re sorry to learn that the color wasn’t as expected and didn’t match what you saw online. We understand how disappointing that can be, especially when you were hoping to display it alongside your other accessories. We appreciate you sharing this feedback and will be sure to pass your comments on to our team. If you’d like any further assistance or want to explore possible options, please feel free to contact our Customer Support team here: https://support.sharkninja.com/contact-us Kind regards, Ninja Kitchen

May 17, 2026
Reviewer name: Dawki20
4 out of 5 stars
4 out of 5 stars review

Missing straw, LOVE THE PRODUCT

I bought this for myself for Mother’s Day because it has been on my list since it was released. I was so excited to get it. It’s works amazingly. I love how it has the start/stop method while blending. Making sure to get all the chunks. Although the plastic bottle doesn’t hold a smoothie very long but I don’t mind that much. I, however, did not receive one of the straws in my box.. I saw a video after and they mentioned a matching straw.. so I’m disappointed at that part.

Review from sharkninja.com
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Apr 28, 2026
Reviewer name: GLRM
2 out of 5 stars
2 out of 5 stars review

Prone to mold.

Beautiful and powerful, but handle has a little hole that lets water in, that makes it anti hygienic, and prone to mold. I am not sure if I am keeping it just because of that issue. There is no way to clean or dry that part. I am concerned about mold. Ninja should fix the issue, and also create smaller cups for nuts and grinding, like previous model.

Review from sharkninja.com
Helpful?1T5S0HCEQYTO20586919399
reply from SharkNinja

Hi there, Thank you for taking the time to leave a review. We’re glad to hear you find the unit powerful and well designed, but we’re sorry to learn about your concerns regarding the handle opening and the potential hygiene issues it may cause. We understand why worries about trapped moisture and mold would be frustrating, and this is certainly not the experience we want for our customers. We also appreciate your suggestions regarding improving the design and offering smaller cups for nuts and grinding, similar to previous models. Your feedback is important to us, and we’ll be sure to pass these comments along to our product team for review. For guidance on proper cleaning and maintenance, you may find the following resource helpful: https://support.sharkninja.com/article/DB300-Series-Ninja-Blendboss-FAQs#jump_cleaningmaintenance If you’d like further assistance or would feel more comfortable discussing your concerns directly, please don’t hesitate to contact our customer support team here: https://support.sharkninja.com/contact-us Kind regards, Ninja Kitchen

Apr 18, 2026
Reviewer name: Preet
4 out of 5 stars
4 out of 5 stars review

Good Product

Very good and the IQ blend is very helpful. The only thing I don't like is when you put the lid on and want to use the straw the open side of the lid just sticks out. The design should have allowed for the lid to drop all the way down. Otherwise love the function and everything else!

Review from sharkninja.com
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Jun 9, 2026
Reviewer name: KJeremy
4 out of 5 stars
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
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Dec 29, 2025
Reviewer name: MeghanS
5 out of 5 stars
5 out of 5 stars review

Amazing travel blender

[This review was collected as part of a promotion.] Thanks to Influenster and Ninja, I got the wonderful opportunity to try out this product for free in exchange for my honest review. I was so excited to try out this blender because I was in need of one for travel. Not only is it extremely useful, the packaging is so adorable. I love it! This is something I would purchase with my own money. I made a blueberry banana smoothie & it blended everything up very nicely. Would definitely recommend to others!!

Review from sharkninja.com
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Apr 22, 2026
Reviewer name: Tds88
5 out of 5 stars
5 out of 5 stars review

Pretty in Pink 😍

I bout this to replace my old personal ninja blender that you push and hold the cup down to blend. This blender is GORGEOUS and I just love the cup and straw it comes with. Not only is it cute but it blends my morning smoothie perfectly every time! I will definitely be adding more cups to the collection. Do not hesitate to buy, especially if you want pink because they sell out freaky fast.

Review from sharkninja.com
Helpful?1T5S0HCEQYTO20586919399