Splitflask Dual Chamber Vacuum Insulated Water bottles & Tumblers

Dual Beverage

Dual Temps (Hot & Cold)

No Leaks No Spills

Both Sides Won't Mix

Created By A NICU Nurse

Hi, I’m Cheryl, a NICU nurse and creator of Splitflask–the world’s first dual chamber tumbler! I made it to solve the hassle of carrying multiple drinks to work, and now you too can experience the convenience of Splitflask.

Our Story

Shop Our Bestsellers

STRAW & SPOUT LID
33% off

~~$29.99~~ $20.00 USD

- Hartley Black
- Guy Green
- Harper White
- Elle Pink

30oz TUMBLER HANDLE (Ships in Late January)
33% off

~~$29.99~~ $20.00 USD

Splitflask 2 drink tumbler lid with straw - black sling bag

30oz TUMBLER SLING BAG
19% off

~~$42.00~~ $34.00 USD

- Hartley Black
- Guy Green
- Elle Pink
- Harper White

Splitflask 2 drink tumbler lid with 2 straws - black

Splitflask 2 drink tumbler lid with 2 straws

DOUBLE STRAW LID (Ships in Late January)
33% off

~~$29.99~~ $20.00 USD

- Hartley Black
- Harper White
- Elle Pink
- Guy Green

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THE HUFFINGTON POST:

“This Two-In-One Tumbler Is Mind-Bendingly Convenient”

DREW BARRYMORE:

“No More Double-Fisting Your Drinks”

(4.9/5 stars, 1000+ reviews)

OVER 10,000+ HAPPY CUSTOMERS

Alex T.

"After sampling various products, I stumbled upon the perfect choice with this brand; I love the feature of combining coffee and water in one bottle."

Anna R.

"I've used Splitflask for months and also got one for my husband. It's perfect for hikes, keeping you hydrated, energized, and hands-free. It's convenient for carrying water and tea in one bottle."

David L.

"I absolutely love my Splitflask! It's a game-changer for my busy mornings. I can take both my coffee and water without having to carry two separate bottles. The divider in the middle is genius and keeps my drinks perfectly separated."

Jonathan C.

"The SplitFlask is fantastic! It keeps my iced water and hot coffee perfectly separated and at the right temperatures. The design is brilliant, stylish, and well-made. It's a must-have for staying hydrated and caffeinated on the go. Highly recommend!"

Maya W.

"SplitFlask delivers on its promises! It keeps my smoothie chilled and my tea hot for hours. The sleek design is easy to clean, making it perfect for anyone with multiple beverages on the go. I'm extremely satisfied with my purchase."