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30,000+ Happy Customers
I love the design options and how completely spill-proof they are! Plus, they're easy to clean.
— Sara, TN
My mom friends and I agree. Zak Kelso straw tumblers are the #1 kid's cup.
— Molly, OH
My bottle is easy to sip and leak-proof. The sleek design and comfortable grip make it perfect for daily use!
— Tina, FL
Characters Make it Magic
Goodbye Spills, Hello Smiles
The zak! Kelso tumbler features a leak-proof silicone spout with a built-in valve, giving parents total peace of mind whether the kids are in the living room or in the car. Best of all, the fun designs encourage kids to drink more water.
Our motivation is to create Everyday Smiles.
We're always searching for the characters kids love, the colors that spark emotion, and the hydration products that create magic. Because one contagious smile can change the world.
Enjoy mess-free moments
