Gel bracelets or jelly bracelets are an inexpensive type of wristband similar to a large diameter O-ring. Awareness bracelets gained in popularity in the 2004 when the Lance Armstrong Foundation introduced its trademark yellow silicone Livestrong wristband to raise support for cancer research. They come in a variety of colors, and dozens can be worn on each arm. They have been popular in waves throughout the Western world and elsewhere since the 1980s. By early 2005, silicone wristbands became popular with many charities, such as Make Poverty History and the BBC’s Beat Bullying campaign. One style of these wristbands, known as awareness bracelets, carry embossed messages demonstrating the wearer’s support of a cause or charitable organization. In general, the color of the band describes its cause, and the colors are often the same as the colors of awareness ribbons.