Scentsy Cider Mill CAR BAR CLIPS are a pack of two solid air fresheners designed for use in cars. They are pet safe, eco-friendly, and deodorize while eliminating odors. The clips are made of plastic and are 2 inches in length and height, with a width of 1 inch and a diameter of 1 inch. They do not require a power source and have no noise level. The Cider Mill scent is intended for aromatherapy and is an authentic Scentsy product.