Rob Law pitched Trunki, a child-friendly ride-on travel suitcase, on the UK television show Dragon's Den.
Trunki was designed as a lightweight case that children could sit on and pull or ride through airports. Its shape and bright colours aimed to make travel more engaging for children while giving parents a practical way to carry luggage. The product was developed by Law through his company Magmatic.
Law's Dragon's Den appearance is widely remembered because the dragons did not invest, despite the product later becoming a successful commercial brand. That outcome is an important part of the show's business lesson: rejection on television does not necessarily predict a product's long-term performance.
The name is sometimes confused with other Dragon's Den products, especially Tangle Teezer, another notable invention whose founder also appeared on the programme. Trunki is the travel case; Tangle Teezer is the hairbrush. Rob Law is the entrepreneur specifically associated with Trunki.