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Customer reviews for Zak Designs 12-oz. Stainless Steel Double-Wall Tumbler for Kids with Straw, 2-Piece Set for
Zak Designs 12-oz. Stainless Steel Double-Wall Tumbler for Kids with Straw, 2-Piece Set
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4.5 out of 5 stars
stars
372 ratings208 reviews
  1. 5 stars77% (286)
  2. 4 stars10% (36)
  3. 3 stars4% (14)
  4. 2 stars3% (12)
  5. 1 star6% (24)

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Showing 201-208 of 208 reviews
Sep 30, 2022
Reviewer name: Andrea
3 out of 5 stars
3 out of 5 stars review

Not as solid as it looks!

I got the bluey design and so far no leaks but my toddler threw it on the grow and the bottom cup popped out! so disappointed.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

Hello from the Zak Consumer Care Team,<br /><br />Thank you so much for taking the time to leave us this review!

Mar 3, 2025
Reviewer name: LC
1 out of 5 stars
1 out of 5 stars review

Rusted

Rusted only 5 weeks after purchasing it, and average usage would be less than 1/3 of the total days.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

On behalf of the zak! family, we’re sorry that you weren’t 100% satisfied with this product. Please reach out to our amazing Customer Care Team at customerservice&#64;zak.com , and we will do everything we can to remedy this for you.

Mar 7, 2023
Reviewer name: Mj
3 out of 5 stars
3 out of 5 stars review

Cute but...

Cute cup, keeps drinks cold. Anything but water seeps from straw. Hard for toddlers to suck from this type of straw.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

Hello from the Zak Consumer Care Team,<br /><br />We apologize for the challenge you have had with your Zak product. We would like the opportunity to make this right. Please contact our Amazing Customer Care Team: customerservice&#64;zak.com.

Sep 3, 2025
Reviewer name: Rebecca
1 out of 5 stars
1 out of 5 stars review

Disappointed

Do not purchase. They leak.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

Our goal is to help create everyday smiles for our customers, but sometimes we know that we fall short of that goal. Please reach out to our amazing Customer Care Team at customerservice&#64;zak.com , and give us a chance to bring that smile back for you.

Apr 22, 2022
Reviewer name: Rach
5 out of 5 stars
5 out of 5 stars review

worth it

My 4 year olds love them. They held ice all night and will be perfect for hot summer days.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

Hello from the Zak Consumer Care Team,<br /><br />Thank you so much for taking the time to leave us this review!

Aug 18, 2025
Reviewer name: Teresa
2 out of 5 stars
2 out of 5 stars review

cute, but leak horribly. I'm throwing them away.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

On behalf of the zak! family, we’re sorry that you weren’t 100% satisfied with this product. Please reach out to our amazing Customer Care Team at customerservice&#64;zak.com , and we will do everything we can to remedy this for you.

Apr 1, 2023
Reviewer name: Krob1
3 out of 5 stars
3 out of 5 stars review

Cute design. NOT leak-proof

My toddler daughter lives the cup, but when it tips and remains on its side it leaks water EVERYWHERE.

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

Hello from the Zak Consumer Care Team,<br /><br />We apologize for the challenge you have had with your Zak product. We would like the opportunity to make this right. Please contact our Amazing Customer Care Team: customerservice&#64;zak.com.

Apr 5, 2024
Reviewer name: Char
3 out of 5 stars
3 out of 5 stars review

Ok but not great

This cup still leaks .

Helpful?15STGC91CF8P13566272598
reply from Zak Designs Customer Support

On behalf of the zak! family, we’re sorry that you weren’t 100% satisfied with this product. Please reach<br />out to our amazing Customer Care Team at customerservice&#64;zak.com , and we will do everything we can to remedy this for you.