Sidekick Coffee Tumbler

Name: Sidekick Coffee Tumbler
Brand: Simple Modern
SKU: SKU-331273-default
Price: 18.89 USD
Availability: InStock
Rating: 5.0 (3 reviews)

$18.89 ~~$26.99~~ In stock

Category: Sidekick

Splash Guard Spout: Allows high flow without spills
Slim Design: Fits into car cupholders, backpacks & bags
Locking Push Button: Provides leak-free confidence with one-handed convenience
Clean-Lock Covered Lid: Keeps the drinking spout clean
Ceramic Interior: Preserves your coffee's flavor
Not recommended for use with carbonated beverages

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 3 reviews)

John ★★★★★ Oct 20, 2026

I was a little worried it wouldn't fit my car’s cupholder, but the slim design slides right in. The splash guard spout actually works perfectly for taking big gulps without any mess.

Stella ★★★★★ Oct 19, 2026

The locking push button is a lifesaver—I toss it in my work bag daily and not a single drop has leaked. Slim enough to slide into the car cup holder without wobbling, and the splash guard means I can chug without worrying about messes.

William M. ★★★★★ Oct 18, 2026

This is my third week using it and the splash guard spout really works—I've thrown it in my backpack every morning and not a single leak. The slim design slides right into my car's cupholder, which is more than I can say for my old bulky mug. Worth every penny.