The Mil-Spec Cords Cobra Bracelets are made from top quality , extremely durable 550 cord, and not only do the design great, they’re also designed that ought to you ever end up during a pinch and wish some rope, they each have between 6 feet and 9 feet (depending on size) of usable 550 cord rope wound into them which will be unwound and used. They also feature a cushty and yet durable polymer buckle that creates them both easy to place on and straightforward to require off.