The Mil-Spec Cords Cobra Bracelets are made up of high quality, extremely durable 550 cord, and not only do the planning great, but they’re also designed that need to you ever find yourself during a pinch and need some rope, they each have between 6 feet and 9 feet (depending on size) of usable 550 cord rope wound into them which can be unwound and used. They also feature a comfy and yet durable polymer buckle that makes them both easy to put on and easy to need off.