⭐️⭐️⭐️⭐️⭐️ 30,000+ Customers

Why Settle for One?

Enjoy your two favorite beverages in one convenient flask. No more juggling multiple containers.

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No More Juggling: The Solution to Your Daily Drink Dilemma.

Finally, enjoy your morning coffee and water in a single, perfectly designed bottle.

  • Hot & Cold, Separately: Enjoy hot coffee on one side and cold water on the other.
  • 100% Leak-Proof: Built leak-proof so you can toss it in your bag with confidence.
  • Designed for You: Fits perfectly in your car's cup holder.
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Girl conveniently and hapily placing her 100% leakproof Splitflask tumbler into her bag.
The Convenience
Girl struggling to maintain multiple containers and tumblers of drinks
The Struggle
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Over 30,000+ happy customers | Invented By A NICU NURSE

Invented by a NICU Nurse

As a NICU nurse, I faced a daily dilemma: choose between my essential morning coffee or staying hydrated with water. My frustration sparked an idea to create Splitflask, a single container that holds both hot and cold drinks, so no one has to choose again.

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Features callouts for a cross sectional view of the Splkitflask tumbler
Features callouts for a cross sectional view of the Splkitflask tumbler

The Patented Design That Makes It Possible.

  • 1. Flip the straw for the perfect sip.
  • 2. See-through cover for a clear view of your beverages.
  • 3. Lift the flap for delightful gulps.
  • 4. Food grade 18/8 stainless steel core.
  • 5. Double wall vacuum insulated separation of compartments.
  • 6. Right (gulp) chamber ideal for hot beverages.
  • 7. Left (sip) chamber ideal for cold.
  • 8. Food-grade silicone straw.
  • 9. Built-in silicone base for protection and noise-dampening.
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(4.9/5 stars, 1000+ reviews)

Loved by 30,000+ Happy Customers

Anna R.

"It's completely leak-proof. I've thrown it in my bag, and it's never spilled a drop."

Alex T.

"I'm a teacher and this has saved my morning. Hot coffee and cold water all in one!"

David L.

"I love that I can have my protein shake and my water on the same trip to the gym. Genius design."

Jamie C.

"It keeps my iced water and hot coffee perfectly separated and at the right temperatures."

Maya W.

"The sleek design is easy to clean, making it perfect for anyone with multiple beverages on the go."
Girl drinking from Splitflask while at a Pickle ball court
The Last Water Bottle You'll Ever Need.

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Got Questions?

Can Splitflask really keep drinks both hot and cold at the same time?

Absolutely! Splitflask’s advanced double-walled vacuum insulation technology provides two separate thermal environments within one bottle. This ensures your iced tea stays perfectly chilled while your hot cocoa remains deliciously warm for hours.

Can Splitflask fit in my car cupholder?

Absolutely. Splitflask fits in the majority of car cup holders.

Is Splitflask dishwasher safe?

Yes, Splitflask is dishwasher safe! You can conveniently place it in the dishwasher for easy cleaning without worrying about damaging its durable stainless steel construction or leak-proof seal.

Can I return Splitflask if I am not happy with it?

Absolutely! At Splitflask, we want you to be completely satisfied with your purchase. If you are not happy with your Splitflask, you can return it within 30 days of purchase for a full refund. Please ensure it is in its original condition and packaging. For more details on our return policy and to initiate a return, please visit our Returns & Exchanges page or contact our customer support team. Your satisfaction is our priority!