Emanuele Bianchi Design Petego Kar 9 Lift Universal Automotive Pet Booster Seat, Gray Holds pets up to 20lbs. It can be attached to the front or back of the seat The K9Lift is easy to install and is removable for cleaning Inner safety leash included NOTICE!!! This products DO NOT work on the VOLVO CARS models that do not have vertically adjustable HEAD RESTS, if the headrest in your car is FIXED as most VOLVO CARS and you cant see the CHROMED ADJUSTABLE STEMS in between the back of the seat and the head rest, this product WILL NOT WORK IN YOUR CAR.