Large – Adjusts from 18″ – 31″ – 1″ wide – Stainless Steel Hardware These handy leashes are designed to keep your dog secure in his/her seat to help prevent driver distraction. Cetacea offers two styles to accommodates different seatbelt configurations. The safety tethers are adjustable in length. Note: Cetacea recommends that dogs, like children, be secured in the rear seat of any vehicle. Safety tethers work best with a Deluxe Adjustable Harness. User must determine suitability of use.