Does the Kelso prevent spills when the tumbler is tipped over?

Yes, and you don't need to remember to close the lid! The Kelso tumbler has a valve in the spout, which lets water flow freely when kids are drinking, but stops spills if the tumbler is tipped over.

Is the tumbler easy to clean?

Yes, both the spout on top of the lid and the inner straw underneath the lid are removable to make cleaning easy, and the parts are all dishwasher safe.

How old should my child be to use the Kelso tumbler?

We recommend this tumbler for kids age 3 and up.

What kind of drinks can go in the Kelso tumbler?

The Kelso tumbler is perfect for everyday cold beverages like water, milk, or juice. Thick smoothies are a little more difficult to drink with the valve, while carbonated drinks can build pressure and push liquid up through the straw.

Can I travel with the Kelso?

The Kelso tumbler fits in most car and stroller cup holders for on the go convenience. We don't recommend putting the Kelso tumbler in a bag, as pressing on the soft spout can open the valve and allow drinks to flow out.

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Zak Designs Kelso Tumbler Set 15 oz, (Unicorn) Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Cup Bundle for Kids (2pc Set)

Zak Designs Kelso Tumbler Set 15 oz, (Unicorn) Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Cup Bundle for Kids (2pc Set)

Product ID: 306775000

Details

Brand
Zak Designs
Capacity
15 Fluid
Color
Unicorn
Material
Plastic
Special Feature
Leak Proof

🔒Leak-proof silicone valve

🧴15 oz capacity

🧽Dishwasher safe & easy clean

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VT7816

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Zak Designs
Capacity
15 Fluid
Color
Unicorn

Description

🦄 Sip in Style, Spill No More!

DURABLE SAFE - Made from lead-free plastic with soft silicone straws for safe sipping
SPILL FREE SIPPING - Leak-proof silicone valve stops spills even on the go
EFFORTLESS CLEANING - Dishwasher safe design with removable parts for thorough cleaning
PERFECT TODDLER SIZE - Compact 15 oz tumbler fits little hands and car cup holders
UNICORN MAGIC HYDRATION - Fun, colorful unicorn prints make hydration a daily joy for kids

The Zak Designs Kelso Tumbler Set features two 15 oz leak-proof tumblers with soft silicone straws and screw-on lids, designed for kids aged 3+. Made from durable, lead-free plastic, these dishwasher-safe cups combine practical spill prevention with playful unicorn designs, making them the perfect reusable alternative to disposable cups for toddlers transitioning from sippy cups.

Specifications

ASIN	B08XVXPK5L
Age Range Description	Kids 3+
Best Sellers Rank	#34 in Baby ( See Top 100 in Baby ) #1 in Toddler Cups
Brand	Zak Designs
Brand Name	Zak Designs
Capacity	15 Fluid Ounces
Color	Unicorn
Customer Package Type	Standard Packaging
Customer Reviews	4.6 out of 5 stars 30,881 Reviews
Finish Types	Glossy
Global Trade Identification Number	00707849124064
Included Components	Lid
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions W x H	3.74"W x 6.89"H
Item Type Name	Sippy Cups With Leak-Proof Design is Perfect For Kids
Item Weight	5.6 ounces
Manufacturer	Zak Designs
Manufacturer Part Number	6929-U265
Material	Plastic
Material Features	Lightweight
Material Type	Plastic
Material Type Free	Lead Free
Model Number	6929-U265
Number of Items	1
Occasion	Birthday
Other Special Features of the Product	Leak Proof, Soft Straw
Pattern	Animal Print
Product Care Instructions	Dishwasher Safe, Hand Wash Only
Product Style	Drinkware
Recommended Uses For Product	Home
Reusability	Reusable
Shape	Round
Size	15 Ounces
Special Feature	Leak Proof, Soft Straw
Specific Uses For Product	Cold Drinks
Style	Drinkware
Subject Character	Unicorn
Theme	Unicorn
UPC	707849124064
Unit Count	2.0 Count

Reviews

A**R

1.04.2026

J**B

6.08.2025

M**L

22.02.2026

M**H

5.04.2026

B**A

24.02.2026

J**E

4.04.2026

H**G

29.04.2026

R**S

9.04.2026

C**.

12.04.2026

M**Y

6.03.2024

R**A

25.09.2020

ا**ه

27.03.2024

R**E

30.09.2022

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