100 million hair ties - and a vodka tonic

Never has a hair tie sparked so much conversation as the invisibobble. Since the launch of the spiral hair ties in 2013, demand has remained strong worldwide. More than 100 million pieces have been sold to date. The inventor, Sophie Trelles-Tvede, stumbled upon the idea by chance: for a bad-taste party, she wrapped a telephone cable in her hair – and the idea for invisibobble was born! In her book, the inventor and co-founder shares the highs and lows of the startup, along with funny and critical moments. The secrets behind invisibobble's success are the stories behind it – now entertainingly recounted!.