Silly Bandz are made of silicone rubber formed into shapes including animals, objects, numbers, and letters.
The Origin and Concept of Silly Bandz
Silly Bandz come in hundreds of different shapes and colors. On a wrist, they function like a regular bracelet, and when taken off they revert to their original shape. They are often worn many at a time and are traded like other collectibles. They can also be used for their original intent—as a regular rubber band. It is not recommended, however, to use them as hair ties, as they can get stuck in hair and pull out your hair.
The original shaped silicone rubber bands were created in 2002 by a Japanese design team who wanted to introduce a more environmentally-sustainable rubber band as an office product. Robert Croak, owner of Toledo, Ohio-based BCP Imports (known for distributing the Livestrong wristbands), encountered the bands on a business trip and decided to re-purpose them as a toy by making them larger and thicker, and marketing them as a kids' fashion accessory.