Your dog will love the freedom he finds with this trolley and tie out cable combo. This 60 ft trolley tethers to a 10 ft tie-out and also features an off-the-ground aerial system for backyard safety. For dogs up to 125 lbs. Caution: Use this product at your own risk. You are responsible for the safety of your pet. Please be cautious when your dog is tied; some dogs tend to resist. Dogs that have a strong tendency of pulling on a leash may exceed the working limit of this product. If unsure of the weight and strength of your dog, opt for a stronger cable. Please be mindful that your pet does not become entangled in the cable.