Agway 40" high quality vinyl coated Galvanized Cable with 1 Swivel Snap at each end.Never tether you dog near any obstacle in which the dog can become entangled or suspendedNever allow the cable to become kinked or tied in a knot. This will cause premature failure of the cableMaintain a constant vigilance of your pet until you are sure the pet has accepted the tether and the tether is suitably matched to your pet