1. Made of high quality steel, strong and stable, durable. 2. Easy to install, use as instructed, and quick to complete. 3. Professional manufacturing, stable performance, improving seat stability and driving safety. 4. Universal design, product installation base, compatible with different seat applications. Material: steel Color: black Package size: 16, 3 x 6.8 x 34.5 cm Installation vehicle requirements: 1. Suitable for vehicles without Isofix interface. 2. The back of the car's rear seat can be folded down. 3. The backrest of the vehicle's rear seat has a gap that is not in the closed position. Attention: This support is suitable for vehicles with a seat distance of less than that of the trunk, corresponds to that of the trunk or whose distance between the seats is greater than that of the trunk (less than 5 cm). The following models cannot be installed with interface brackets Isofix: The trunk is closed and the rear seats cannot be folded down. Scope of delivery: 2 stents 2 guide slots 2 pairs of screws