---
product_id: 320691733
title: "Zak Designs Kelso 15 oz Tumbler Set, (Underwater) Non-BPA Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Baby Cup Bundle for Kids (2pc Set)"
brand: "zak designs"
price: "249.38 DT"
currency: TND
in_stock: true
category: "Zak Designs"
url: https://www.desertcart.tn/products/320691733-zak-designs-kelso-15-oz-tumbler-set-underwater-non-bpa
store_origin: TN
region: Tunisia
---

# 15 oz spill-proof capacity Leak-proof silicone valve straw Fits standard car cup holders Zak Designs Kelso 15 oz Tumbler Set, (Underwater) Non-BPA Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Baby Cup Bundle for Kids (2pc Set)

**Brand:** zak designs
**Price:** 249.38 DT
**Availability:** ✅ In Stock

## Summary

> 💦 Sip smart, spill less — hydration made hassle-free!

## Quick Answers

- **What is this?** Zak Designs Kelso 15 oz Tumbler Set, (Underwater) Non-BPA Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Baby Cup Bundle for Kids (2pc Set) by zak designs
- **How much does it cost?** 249.38 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/320691733-zak-designs-kelso-15-oz-tumbler-set-underwater-non-bpa)

## Best For

- zak designs enthusiasts

## Why This Product

- Trusted zak designs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Safe:** BPA-free, dishwasher-safe plastic ensures long-lasting use without harmful chemicals.
- • **On-the-Go Ready:** Compact 3.16-inch diameter tumbler fits perfectly in car cup holders for busy families.
- • **Kid-Approved Comfort:** Soft silicone straw designed for gentle sipping and easy transition from sippy cups.
- • **Eco-Friendly Hydration:** Reusable design replaces disposable cups, making hydration fun and sustainable.
- • **Spill-Proof Confidence:** Leak-proof valve straw keeps every drop inside, no mess, no stress.

## Overview

The Zak Designs Kelso 15 oz Tumbler Set features two durable, BPA-free plastic tumblers with soft silicone straws equipped with leak-proof valves. Sized to fit car cup holders and dishwasher safe, these spill-resistant tumblers are perfect for kids transitioning from sippy cups, offering a safe, reusable, and travel-friendly hydration solution.

## Description

This leak-proof tumbler set from Zak Designs makes hydration fun for kids! Durable Materials The tumbler is made from lightweight plastic, and the comfortable straw is made from silicone. Everything is dishwasher safe. Leak-Proof Straw The straw has a built-in valve that allows liquid to flow when drinking and prevents spills when the tumbler is tipped over. It's perfect for travel or for young children graduating from sippy cups. Hydrate Anywhere The tumbler won't splash or leak and fits in car cup holders, making it ideal to take on the go. At home, you don't have to worry about spills or stains around fabrics or electronics, and drinks stay easily accessible through the straw. Spec. 2 tumblers with 15 oz capacity. Made of durable plastic and silicone. Dishwasher safe, do not microwave. Length: 3.16-inch, Width: 3.16-inch, Height: 6.67-inch. Design: Underwater. Shark

## Features

- SIZE: The set contains two cups with a diameter of 8 cm (3.15 inches) and a height of 17 cm (6.7 inches). They have a capacity of 425 grams.
- MATERIAL: The durable cups are made of plastic with silicone straws. Can be washed in the dishwasher and should not be placed in the microwave.
- LEAKPROOF DESIGN: The silicone straw has a built-in valve that allows liquid to flow when drinking and prevents accidental spills when the cup is dropped. The straw is also soft and comfortable for kids to drink.
- At home or on the go: the straw cup is suitable for travel, as it does not leak and fits in car cup holders, keeping drinks easily accessible. It's also great for drinking drinks at home without worrying about stains or nearby electronics.
- Lifestyle: Zak Designs drinkware makes hydration fun! These colorful cups are a great gift for children who have just graduated from sippy cups. The cups are fully reusable - no more disposable cups - and a fun addition to the daily routine.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XVT7JMR |
| Age Range Description | Baby, Kid |
| Best Sellers Rank | #8,623 in Baby Products ( See Top 100 in Baby Products ) #175 in Sippy Cups |
| Brand Name | Zak Designs |
| Capacity | 15 Fluid ounces |
| Color | Underwater |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 4.5 out of 5 stars (10,040) |
| Finish Types | Glossy |
| Global Trade Identification Number | 00707849124040 |
| Included Components | Lid, Straw |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | No |
| Item Dimensions W x H | 9.5W x 17.5H centimeters |
| Item Type Name | Sippy Cups With Leak-Proof Design is Perfect For Kids |
| Item Weight | 159 g |
| League Name | NCAA |
| Manufacturer | Zak Designs |
| Manufacturer Part Number | 6919-U265 |
| Material Features | Recyclable |
| Material Type | Plastic |
| Material Type Free | BPA Free |
| Model Number | 6919-U265 |
| Number of Items | 2 |
| Occasion | Birthday |
| Other Special Features of the Product | Leak Proof, Soft Straw |
| Pattern | Solid |
| Product Care Instructions | Dishwasher Safe |
| Product Style | Submarine |
| Recommended Uses For Product | Travel |
| Reusability | Reusable |
| Set Name | 2-Piece Set |
| Shape | Round |
| Size | 15 Ounces |
| Specific Uses For Product | Cold Drinks |
| Subject Character | Underwater |
| Theme | Birthday |
| UPC | 707849124040 |
| Unit Count | 2.0 Count |

## Product Details

- **Brand:** Zak Designs
- **Capacity:** 15 Fluid ounces
- **Colour:** Underwater
- **Material:** Plastic
- **Special features:** Leak Proof, Soft Straw

## Images

![Zak Designs Kelso 15 oz Tumbler Set, (Underwater) Non-BPA Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Baby Cup Bundle for Kids (2pc Set) - Image 1](https://m.media-amazon.com/images/I/71XYywwLQQL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Does the Kelso prevent spills when the tumbler is tipped over?**
A: 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.

**Q: Is the tumbler easy to clean?**
A: 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.

**Q: How old should my child be to use the Kelso tumbler?**
A: We recommend this tumbler for kids age 3 and up.

**Q: What kind of drinks can go in the Kelso tumbler?**
A: 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.

**Q: Can I travel with the Kelso?**
A: 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.

## Frequently Bought Together

- Zak Designs Kelso 15 oz Tumbler Set, (Underwater) Leak-Proof Screw-On Lid with Straw Made of Durable Plastic and Silicone, Perfect Bundle for Kids (2pc Set)
- NUK Learner Cup, 6+ Months, Timeless Collection, Amazon Exclusive, 5 Oz, Pack of 2 – BPA Free, Spill Proof Sippy Cup
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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-18*