Zak Designs 12oz Kids Straw Tumbler, Stainless Steel Vacuum Insulated Kincaid Tumbler with Silicone Straw Utilizing Leak-Proof Valve, Travel Straw Tumbler, Disney Princess
Zak Designs 12oz Kids Straw Tumbler, Stainless Steel Vacuum Insulated Kincaid Tumbler with Silicone Straw Utilizing Leak-Proof Valve, Travel Straw Tumbler, Disney Princess
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Zak Designs 12oz Kids Straw Tumbler, Stainless Steel Vacuum Insulated Kincaid Tumbler with Silicone Straw Utilizing Leak-Proof Valve, Travel Straw Tumbler, Disney Princess

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Key item features

  • Leak-Proof Design: Features a silicone straw with a built-in valve to prevent spills and leaks, making it ideal for active children.
  • Insulated Performance: Double-wall insulation keeps beverages cold for extended periods and prevents condensation on the exterior.
  • Optimal Capacity: Provides a 12 oz capacity, suitable for children transitioning from sippy cups.
  • Durable Construction: Made from 18/8 stainless steel and food-grade silicone for safety and durability.
  • Easy Maintenance: The lid can be disassembled for top-rack dishwasher cleaning, while hand washing is recommended for the tumbler body.
  • Reusable Hydration: A reusable alternative to disposable cups, promoting sustainable daily hydration for kids.
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Customer ratings & reviews

4.7 out of 5 stars
stars675 ratings249 reviews
How item rating is calculated
  1. 5 stars85% (576)
  2. 4 stars6% (41)
  3. 3 stars4% (26)
  4. 2 stars2% (11)
  5. 1 star3% (21)

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Showing 1-3 of 249 reviews

May 22, 2026
InnaM
5 out of 5 stars review

Cute, sturdy tumbler that's kid-friendly and great for everyday use.

The Zak Designs 12oz Kincaid Tumbler with Stitch design is super cute and practical. It's the perfect size for kids or small drinks, and the lid helps reduce spills during daily use. It feels sturdy and easy to hold, and the design holds up well after washing. Great for everyday use at home or on the go. Cute, sturdy tumbler that's kid-friendly and great for everyday use. It's best for light use and small drinks—great for kids, but not fully leak-proof if tipped over.

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reply from Zak Designs Customer Support

Our goal is to give our customers products that help create everyday smiles. Thank you for letting us know we are accomplishing that goal!

May 23, 2026
CaitlinG
5 out of 5 stars review

Great for moms - leakproof and easy to clean

I love the design! I like how it's super easy to disable to wash with it being dishwasher safe! My son loves it because he can have juice in the cup and I like how it's leakproof!

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Review from influenster.com
Helpful?0SAWUW1N1BQH2492541289
reply from Zak Designs Customer Support

Thank you for your review. We always appreciate it when our valued customers let us know how we’re helping create everyday smiles.

May 17, 2026
SandraD
5 out of 5 stars review

Very good

This is a very good product for those who have kids and want them to have a very good and leak preventable cup for them to have their drinks in for them.

Incentivized Review
Review from influenster.com
Helpful?0SAWUW1N1BQH2492541289
reply from Zak Designs Customer Support

Thank you for your review. We always appreciate it when our valued customers let us know how we’re helping create everyday smiles.