Jeremiah Kowalski

Jeremiah Kowalski is a drinkware product researcher and reviewer. He researches, tests, and analyzes drinkware products, with a primary focus on reusable water bottles, tumblers, and insulated drinkware. His work is dedicated to helping people choose safe, functional, and durable products for everyday hydration, based on real-world use and careful evaluation rather than marketing claims. He personally owns and has tested over 50 drinkware products, including bottles, tumblers, mugs, and filtration systems from brands such as Hydro Flask, Owala, Stanley, YETI, BruMate, and HydroJug.

The Rise of Stanley Super Collectors: When “Sustainable” Becomes a $6,155 Asset Class

Drinkware collectors have been around for a long time, and for the average consumer, this behavior is usually rooted in utility. According to established studies, the average American owns 4 reusable water bottles – a rotation for the gym, the commute, and the office. However, while analyzing drinkware threads on forums like Reddit, we noticed […]

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Corkcicle Cold Cup Review: Is This Tumbler Worth Your Money?

I came across Corkcicle almost by accident. Browsing Amazon for yet another tumbler, I noticed how often this brand popped up, clearly climbing in popularity, at least in the U.S. Once I saw the “Dragonfly” color, my self-control didn’t stand a chance. Into the cart it went. Months later, my enthusiasm has cooled. The Corkcicle

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