This 100' cat fence conversion kit for existing fences comes with everything that you need to convert 100 feet of fence into a large outdoor play area for cats. Attach our overhang extenders to any structure over 5' to provide your cats with instant freedom. 4' feet of our strong poly fencing is stretched between the extenders and attached with zip ties. Secure the lower portion of the poly fencing to your existing fence to give your pets the safety and exercise they deserve. Specs Breaking Load: 750 lbs. Life Expectancy: 10 - 15 years Converts 100' of cat fence UV Stabilized Easy-To-Install