Perimeter Technologies In-Gound Dog Fence - No WireThe Perimeter Technologies In Ground Fence No Wire is a flexible containment kit designed for dog owners who already have boundary wire or will source their own. It combines safety with comfort through Comfort Contacts and customizable stimulation; note that boundary wire and flags are not included, so you provide your own wire. Requires own boundary wire: This kit does not include wire or flags and must be used with existing boundary wire. Comfort