Classic Kidney

HAND-FORMED COPPER. GUARANTEED FOR LIFE. THE TIMELESS FLASK SILHOUETTE.

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Classic Kidney

TRIED AND TRUE

Some designs endure not because they evolve — but because they were right from the beginning.

Classic Kidney honors one of Jacob Bromwell’s earliest and most iconic shapes, hand-molded for over two centuries and refined only through discipline, not redesign. Its curved profile rests naturally against the body, slipping easily into a front or back pocket while maintaining a weight and solidity that speak to old-world craftsmanship. Crafted from 22-gauge solid copper and finished through our ultra-reflective SuperPolish™ process, Classic Kidney carries a warm, luminous presence. Inside, it is lined with molten, lead-free tin using our proprietary lost method — ensuring purity and longevity. Timeless in design and unwavering in build, it is made for everyday carry — and for the decades that follow. Classic Kidney does not chase attention. It earns loyalty.

Imperfectly Perfect: Minor imperfections lend charm, depth, and individuality to each piece and are a natural part of the 100% handmade process. Embrace the imperfect. This is the Jacob Bromwell® way.

Hand-built and shipped directly from the manufacturer
Extraordinary craftsmanship backed by our Lifetime Guarantee
Ownership that extends beyond possession — a place in a legacy of uncompromising luxury
100% authentic. Zero counterfeit risk. Strict quality standards
Pay over time with Shop Pay (0% APR for qualified customers)
Buy confidently with easy returns & exchanges
Complimentary U.S. shipping on orders $95+
Best-in-class customer care — the kind rarely seen today
Questions? Our concierge team is here to assist you

DELIVERY

Free & fast ground shipping on U.S. orders $95+
Ships directly from the Jacob Bromwell® warehouse in Woodridge, Illinois
International orders: duties and import taxes may be imposed by the shipping carrier
Easy returns & exchanges

PRODUCT HIGHLIGHTS

Hand-formed from solid copper using time-honored methods
The original kidney-shaped silhouette, refined over generations
Fitted with a precision-machined copper screw top for a secure seal
Lined with a lead-free tinned interior for safe, lasting use
Holds 7.5 fluid ounces
Made in small batches
Imported

SPECIFICATIONS

Item No: C009
Material: Copper
Weight: 1.00 (lbs)
Volume: 7.50 (fluid oz.)
Dimensions: 4 x 1 x 5 (inches)
Made by: Jacob Bromwell® Artisans
Care: Hand Wash Only
Warranty: Lifetime Guarantee

⚠️ California Proposition 65 Warning: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more.

WHY IT EXISTS

Proven Form.

Most designs change with fashion — reshaped, reimagined, and replaced.

Classic Kidney remains as it was meant to be. Formed from solid 22-gauge copper and finished by hand, it preserves one of the earliest and most enduring silhouettes in American flask history.

We don’t reinvent what works.
We don’t modernize for novelty.

We maintain proportions that have proven themselves for generations.

Some shapes pass through time.
This one stands.

PRECISION-MACHINED SCREW TOP

Classic Kidney features a precision-machined solid copper screw top engineered for a secure, leak-resistant seal. Built for dependable performance and everyday carry. Twist. Sip. Carry on.

THE MARK OF DISTINCTION

Each Classic Kidney flask is hand-stamped with the Jacob Bromwell® mark at its base — subtle, permanent, and deliberate. Not designed to call attention to itself, but to signify origin and craftsmanship. With time, that mark becomes part of the patina — and part of the story it carries.

BUILT FOR THE MOMENTS THAT COUNT

Given, carried, and kept — through milestones that define a life well lived.

HONORED BY THE WORLD'S LEADING PUBLICATIONS

Trusted by editors. Collected by discerning owners.

"Jacob Bromwell is making the manliest, most gorgeous flasks in the game."

"Like a fine watch, a Jacob Bromwell flask is yours to treasure for life and made to be passed down to the next generation."

"A well-built flask is more relevant than ever. Hand built and worthy of passing down for generations."

"Holy grails of high design to upgrade your lifestyle."

"His pocket will be in good spirits holding this handmade flask. It’s designed with a machine screw top that guarantees 100 percent leak protection no matter how much he moves and grooves."

"There are simply no flask makers as legendary as Jacob Bromwell. Made in small batches, the hand-soldering ensures that each flask will have charming imperfections."

"The fact that the brand has been in the business since 1819 speaks volumes of the consistent quality their products deliver."

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Classic Kidney

Classic Kidney

TRIED AND TRUE