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Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Pitch on Shark Tank
Define Bottle appeared on Shark Tank (Season 5, Episode 20) in 2014. Carter Kostler pitched the product to the Sharks. No deal.
Frequently Asked Questions
Is Define Bottle still in business?
Define Bottle is still listed on Amazon and eBay — see the buy links below for the latest availability.
Who founded Define Bottle?
Define Bottle was founded by Carter Kostler.
Did Define Bottle get a deal on Shark Tank?
Define Bottle pitched on Shark Tank but didn't strike a deal: No deal.
Where can I buy Define Bottle?
Define Bottle is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
Related from Shark Tank
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