The Art of
Vegetable Tanning.

There are two ways to tan leather. One uses chromium salts and takes a matter of hours. The other uses tannins drawn from tree bark, fruit, and leaves, and takes weeks — sometimes months. We use the second.

Why Slower Wins

Vegetable-tanned leather is, by most modern manufacturing standards, an inefficient choice. It requires hides to rest in tanning pits for extended periods, absorbing colour and structure gradually rather than instantly. But the resulting leather behaves differently in the hand — firmer at first, then softening with use in a way that chrome-tanned leather rarely does. It also ages. Where chrome-tanned leather tends to look the same on the day you retire it as the day you bought it, vegetable-tanned leather develops a patina: a visible, individual record of where it has been.

A bag that doesn't change over ten years hasn't been used properly. Ours are built to be used properly.

What It Costs Us

The honest answer is: time, and a narrower set of suppliers. Few tanneries in India still practise full vegetable tanning at the standard our atelier requires, and we have built relationships with a small number of them over many years rather than constantly searching for a cheaper or faster source.

It also costs us scale. We simply cannot produce at the volume a chrome-tanning supply chain would allow. We have made peace with that. A House of Bunkar piece is meant to be acquired deliberately, not impulsively — and a slower material has, if anything, reinforced that instinct in how we sell as much as how we make.

What You'll Notice

If you've held a piece of vegetable-tanned leather before, you'll recognise the particular smell — earthier, warmer, less chemical than most leather goods. You'll also notice the colour is rarely perfectly uniform. We consider that a feature, not a flaw: it's the leather telling you the truth about where it came from.