The automotive is not only for your car, but it can also be used wherever you want them as long as there is a sturdy post or frame where you can install the aid handle. Just lower the car window and put the strap around the highest point of the window outline. Snap the buckle in place then adjust the height of the strap. Features -Color: Black -Material: Plastic, webbing -Size: About 30.00X13.00X2.00cm/11.79X5.11X0.79inch -Ergonomic car handle to get of vehicles of falling. -Perfectly fit the palm and outline so that you can grip naturally of comfortable hand feeling. -Easy to install, easily put the strap around the window outline then snap the buckle. -Convenient to carry with pocket or handbag and provide security assistance at any time. -It adds support, stability and flexibility to make your elderly feel more comfortable and confident. Package list: 1 handle