20 sided die in a removable cradle on a cord, measures 24" long and the rope is adjustable to make it shorter. It's certainly the world's coolest icosahedron. Die colors are assorted. Please allow us to choose a color for you. We're sure you'll love it!. And if you don't, just hate us for a wee bit. You'll get over it. If the Chromatic Dragon doesn't beat your +5 Sword Of Healing of course.