Sumajin Smartwrap Cord Manager (Red/Black/White) Because the Smartwrap's made from rubber, it doesn't damage your cords in any way. Sumajin doesn't recommend it for other types of cords you may want to organize - such as stereo components - but that seems a natural enough future extension of the brand given how well and easily the Smartwrap works. There's a vague fashion component to the Smartwraps as well: Sumajin sells nine colors of them (white, clear, black, orange, blue, green, purple, red, and pink) as well as five colors of matching ear foam replacements ($1.00 per pair, red, blue, orange, green, and yellow) to match We tested a black Smartwrap, which definitely shows off the iPod's white headphone cords, but would probably have preferred white or clear ones.