! The ZooKeeper vehicle pet barrier. Tilt. Slide. Recline. The ZooKeeper is the only metal tubing pet barrier that moves with your seats. EASY to install in 2-door cars, 4-door cars, trucks with extended cabs, wagons and SUVs. No tools needed! Design allows seat movement and easy backseat access. (aka Zoo Keeper pet barrier) Engineered in USA.