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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
203 ratings203 reviews
  1. 5 stars77% (156)
  2. 4 stars14% (29)
  3. 3 stars2% (5)
  4. 2 stars2% (5)
  5. 1 star4% (8)
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Showing 1-10 of 203 reviews
Jun 28, 2026
Reviewer name: CanCar
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy smoothies

We love our Ninja BlendBOSS. It is easy to use and to clean, and it works well. We finally have a blender that actually blends ice and frozen fruit so we can enjoy smoothies.

Review from sharkninja.ca
Helpful?1T5S0HCEQYTO19703702863
Jul 10, 2026
Reviewer name: Rosalee
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Love the purple

(This review was collected as part of a promotion.) Love it. Pretty purple and fun to make smoothies or protein drinks

Review from sharkninja.ca
Helpful?1T5S0HCEQYTO19703702863
Jul 22, 2026
Reviewer name: Julis1974
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works amazingly

I love that it sticks to my counter, since it blends hard and efficiently. It is big enough to blend a good size smoothly. Easy to clean and like the extra attachment to drink right out of it. Glad I made this purchase

Review from sharkninja.ca
Helpful?1T5S0HCEQYTO19703702863
Oct 15, 2026
Reviewer name: Ninebanded
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Power! Convenience! Buy one!

For a year I have been using a stick blender to make a protein drink concoction that includes chia seeds, and then I have to pick chia seeds out of my teeth. BlendBOSS pulverizes those seeds! Unbelievably powerful and the auto settings mean you don’t have to tend this machine. Fill it and hit a button!

Review from sharkninja.com
Helpful?1T5S0HCEQYTO19703702863
Oct 17, 2026
Reviewer name: Praveen K
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great Product

Awesome product for making smoothies or blending fruits. The intelligence in the product knows when to stop blending, always giving a consistent blend and you won't feel any pulp..

Review from sharkninja.com
Helpful?1T5S0HCEQYTO19703702863
Aug 4, 2026
Reviewer name: Shelly C
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Beautiful style and color

Very nice blender for making my morning protein shakes. I love how easily the base screws onto the cup. I don't think this one will ever leak. The purple color is what sold me. I highly recommend.

Review from sharkninja.ca
Helpful?1T5S0HCEQYTO19703702863
Oct 7, 2026
Reviewer name: Dari P
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

ABSOLUTELY LOVE

Loveee it so much already!! The color is beautiful and it does a great job at blending everything I've tried so far. Definitely do not regret this purchase 💗

Review from sharkninja.com
Helpful?1T5S0HCEQYTO19703702863
Oct 8, 2026
Reviewer name: Samf
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

Heavy, large but VERY sturdy

This is a nice strong blender, which easily crushes ice and any material, including leafy, fibrous stuff. I don't give it 5 stars for 2 reasons: I wish there were a way to add to it while it's blending… And it is heavy and bulky

Review from sharkninja.com
Helpful?1T5S0HCEQYTO19703702863
reply from SharkNinja

Hi Sam, Thank you for taking the time to leave a review. We're delighted to hear that you're enjoying your Ninja Blender and that it's powerful enough to easily crush ice and blend fibrous ingredients. We appreciate your feedback regarding the ability to add ingredients while blending and the weight and size of the unit. We'll be sure to share your comments with the relevant team for review. If there's ever anything we can do to help, please don't hesitate to reach out using the link below: https://support.sharkninja.com/contact-us Kind Regards, SharkNinja US

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?1T5S0HCEQYTO19703702863
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

Mar 15, 2026
Reviewer name: gbanks
2 out of 5 stars
2 out of 5 stars review

Pretty but mold prone product design

After two washes and one use mold has started to grow inside the hallow handle. There is a thin opening where the top of the handle meets the tumbler that isn't sealed where water gets inside and is trapped. The handle cannot be removed to wash, wipe out, or dry. Very disappointing design flaw because I like the product but cannot fathom drinking from a moldy vessel and I only imagine the issue worsening overtime as more water seeps through. Please consider redesigning the tumbler with a solid handle instead. Otherwise the motor is powerful and blades are sharp enough to make smooth consistent drinks with lots of frozen ingredients. Proceed with caution.

Review from sharkninja.com
Helpful?1T5S0HCEQYTO19703702863
reply from SharkNinja

Hi there, Thank you for taking the time to share this detailed feedback with us. We can understand how concerning it must be to find moisture and mold inside the handle of your BlendBOSS, especially when the design does not allow it to be cleaned or dried properly. Your experience highlights an important issue, and we truly appreciate you explaining what happened and how it affected your ability to use the product comfortably. We recommend reaching out to our team via the contact link below, so we can look into this with you. Contact Page: https://support.sharkninja.com/en-CA/contact-us Kind regards, Ninja Kitchen