Avery"s Knot-Proof Decoy Cord is your answer to the inevitable messes from knots and tangles associated with standard decoy line. This Decoy Cord from Avery Outdoors is made from extruded PVC compound commonly found in O-rings. The Avery outdoors Knot-Proof cord will not tangle, freeze, crack or rot while offering superior stretch as well as abrasion resistant durability. Knot-Proof will never float which keeps the ducks looking at your decoys and not your decoy cord. Available in 200 Foot and 500 Foot length and .103 inches in diameter