https://stores.silkmagictricks.com/products/chameleon-rainbow-silk-change-by-jl-magic.html This is a super easy and visual favorite that every magician should own. Change a long black streamer into a bright, shiny, multi colored streamer quickly and easily. Uses a blended fabric that slides easily and is more durable than pure silk. Measures approximately 6 inches wide by 46 inches long.