Universal mounting base, compatible with a wide range of child safety seat applications. Professional production, stable performance, improve child safety. Installation is simple and firm. This seat mounting bracket is sturdy, durable and has a long service life. Made from premium quality steel , so it is not only strong, but also stable. Features: Material: steel The black color Size of packing: 16.3*6.8*34.5cm/6.42*2.68*13.58in Installation vehicle requirements: 1. Fit for cars without ISOFIX interface. 2. The backrest of the car can be put down. 3. There is a gap between the rear seatback of the car and is not in the closed state. Note: This bracket is suitable for cars with seat clearance is lower than the trunk, which is straight with the trunk or whose seat clearance is higher than the trunk (in the image by less than 5 cm). The following models cannot be installed with supports of ISOFIX interface: The trunk is in the closed state, and the rear seats cannot be folded down. Package list: 1pcs Stent 2pcs guide slot