The Stanley Tumbler phenomenon was brought to my attention by my daughter. I’d never heard of it, so decided to explore it further. It’s an amazing story of how a brand emerged from nowhere to dominate its category.

Over the past couple of years, the ‘Adventure Quencher Travel Tumbler’ - to give it its full name - has become an object of desire. In 2023, sales were around $750 million vs $70 million in 2020.

So why has it become so successful? Here are the key reasons.