J & D Custom Bow Strings New / Ships in 24hrs Description: Manufacturer: J & D Custom Strings New in Package For compound bows Color: Black 16 strand  We're assuming that it's made of Dacron, but we're not sure. Condition: New in package We have a number of these in limited quantities and various lengths. If you don't see what you need, then chances are we don't have it.J & D Custom Strings