The Axkid Attachment Loops are designed to simplify installing the car seat in your vehicle. Two attachment loops in each pack can be fitted under the seat rails of the front seat to allow easy attachment of the Axkid Minikid tensioners directly to the car with no need for additional tethers. FEATURES: Compatible with Move tether straps Comes in two pieces in each package Axkid Move tethers can be used with the Axkid Attachment loops to help make life easier if rails are awkward to get under Designed to be inserted under the seat rails of the vehicle at the point where the rear bolt holding the rail to the floor is positioned Recommend using your car manufacturer-approved garage to install them under the bolts retaining the seat rails to the chassis. They do allow the front seat to move freely although most passengers bring their front seat back to touch to allow most leg room so it is not often an issue if the seat will move forwards or now DIMENSIONS: 7cm