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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
182 ratings182 reviews
  1. 5 stars77% (141)
  2. 4 stars14% (25)
  3. 3 stars3% (5)
  4. 2 stars3% (5)
  5. 1 star3% (6)
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Showing 21-30 of 182 reviews
Sep 16, 2026
Reviewer name: KateH
3 out of 5 stars
3 out of 5 stars review

Good works for blending ice, frozen fruits

This blender blends good frozen fruits, ice, and also it works so loud during this time. Be ready to awake yourself and your family. Feels useful to have a smoothie already in a cup.

Review from influenster.com
Helpful?4WWE4P82E66B19703702863
reply from SharkNinja

Hi Kate, Thank you for sharing your feedback! We're glad to hear your BlendBOSS does a great job blending frozen fruit and ice, and that the blend-and-go cup feature makes it easy to enjoy your smoothie right away. We also appreciate your comments about the noise level during blending. Powerful performance can be a bit louder when processing tougher ingredients, and feedback like yours helps us continue improving our products. If there's anything you'd like to discuss further or if we can help in any way, please reach out to our team here: https://support.sharkninja.com/contact-us Sincerely, SharkNinja US

Jul 12, 2026
Reviewer name: mackleeena
1 out of 5 stars
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?4WWE4P82E66B19703702863
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

Jun 16, 2026
Reviewer name: Nancycarols
5 out of 5 stars
5 out of 5 stars review

Great gift!

My granddaughter asked for this for her High School graduation gift. She is going away to college and does love her smoothies! She tried it immediately and was delighted with it. She commented on the powerful motor, the clever straw that retracts allowing for a portable drink tumbler.. Thanks Ninja, for providing a perfect gift for a special girl.

Review from sharkninja.com
Helpful?4WWE4P82E66B19703702863
May 30, 2026
Reviewer name: RitikaB
5 out of 5 stars
5 out of 5 stars review

Smoothie maker on the go

Ended up purchasing this smoothie blendboss which's been such a game changer. It sits on my counter top without occupying much space and is such a lifesaver every morning for my protein smoothies. Cleaning it is also a breeze as i just throw it in the dishwasher. The blender is also very powerful as it crushes the ice in my smoothie pretty well.

Review from influenster.com
Helpful?4WWE4P82E66B19703702863
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
Helpful?4WWE4P82E66B19703702863
Jul 17, 2026
Reviewer name: mckylaV
5 out of 5 stars
5 out of 5 stars review

Cute and easy to clean

This is the BEST blender.. I had the nurtibullet before this and this is by far so much better. It's quieter and easier to clean. We're also able to use the cup!! So less dishes!! I love how you're able to just blend and go.. a lot easier. And the color is just so darn cute

Review from influenster.com
Helpful?4WWE4P82E66B19703702863
Jul 17, 2026
Reviewer name: CathyZ
5 out of 5 stars
5 out of 5 stars review

Saved my mornings!

I've had this for a few weeks and I love it. My old small smoothie blender was underpowered and couldn't handle ice or frozen fruit. This thing whips up my morning smoothie and my evening frozen margarita without ever stalling. Easy to clean also. Love the no gaskets design.

Review from sharkninja.com
Helpful?4WWE4P82E66B19703702863
Jul 6, 2026
Reviewer name: LucLL
2 out of 5 stars
2 out of 5 stars review

Water accumulation inside the handle

After only two uses (both hand-washed), water has already accumulated inside the handle, which is clearly a design flaw. Since the handle can't be opened to dry or clean it, I'm concerned it will eventually develop mold. The blender itself works great, but for a premium-priced product from such a well-known brand, these issues are unacceptable. Very disappointing.

Review from sharkninja.com
Helpful?4WWE4P82E66B19703702863
reply from SharkNinja

Hi there, Thank you for taking the time to share your feedback. We're truly sorry to hear water is accumulating inside the handle after only a couple of uses, especially when you've carefully hand-washed your BlendBOSS and expect long-lasting quality from a premium brand. We appreciate you highlighting this, and we'll be sure to pass your experience along to the relevant teams for review. Feedback like yours is invaluable in helping us improve our products and customer experience. In the meantime, we'd recommend taking a look at our self-help troubleshooting guide here: https://support.sharkninja.com/article/DB300-Series-Ninja-BlendBOSS-Troubleshooting-Guide If the issue persists after following the steps provided, please use the contact options at the end of the guide to connect with our Support Team. Kind regards, Ninja Kitchen

Jun 4, 2026
Reviewer name: Mirandamc11
4 out of 5 stars
4 out of 5 stars review

So pretty

I wasn't expecting this to be so beautiful! As soon as I got it I opened it, washed it and used it! No problems with the product so far! My one issue was how it was shipped. I'll attach a photo. But I wish it was in another box rather than the whole world seeing what it is. People steal packages so I feel how it was shipped didn't help. Also I wish they made more pretty colors like this and more pink!

Review from sharkninja.com
Helpful?4WWE4P82E66B19703702863
Jul 24, 2026
Reviewer name: Blendbender
4 out of 5 stars
4 out of 5 stars review

Great blender

Overall design is great, the previous version had an off button that was a great feature. This one has the light blinking several times before shutting down. Not sure why they got rid of the off button 😅

Review from sharkninja.com
Helpful?4WWE4P82E66B19703702863