Monell Pets 16 Gauge Heavy Duty Superior Pro Dog Fence Wire 2000 Ft Continuous Wire 2000 Ft Continuous Spool 16 AWG Solid Copper Core Superior Pro Dog Fence Boundary Wire Compatible with all In-Ground Dog Fences Sportdog, Petsafe, Innotek, Invisible Fence,Dogwatch 45 mil Polyethylene Thermal Plastic Insulation on Solid Core Wire Direct Burial -Underground rated - UV Protection - Sunlight Resistant Monell Pets Wire is Made in the USA