2 Materials. Velcro is made up of two separate sides. One side is made up of stiffened hooks, and the other side is made up of soft loops. Both sides of a strip of Velcro are made of nylon, but the process for making the hooks is different from making the loops.

How was Velcro made by mistake?

Velcro (1955)

In 1955, after taking his dog for a walk in the woods, Swiss electrical engineer George De Mestral found that burrs from the burdock plant had clung to his clothes – as well as to his dog's fur. ... And so Velcro – a combination of 'velvet' and 'crochet' – was invented.

What plant does Velcro come from?

The seeds of the plant are inside the flower head, making its clinging characteristics an excellent mechanism for seed dispersal. As the story goes, burdock is the inspiration for the invention of Velcro fasteners.