Prisms & Rainbows & Soundwaves…oh my! This lanyard has a whole bunch of all three. The black Pink Floyd "DSOM Lanyard w/ Charm" features a design starring a rainbow with a green soundwave shooting out of a light prism. This 21-inch long lanyard comes with a detachable latch and a flexible Pink Floyd prism charm. Perfect for those Pink Floyd fans who have keys or other things that need to be kept on-hand.