~One size fits small to large: adjustable belt strap, 20-32 inches extended in length. Hassle-free feature: Easy to snap and un-latch to car's seatbelt buckle - Ideal accessory and allows a quick-release ~Tether and secure: Pet is safely restrained to the seat but still able to sit, stand or lie down comfortably to reduce driving distractions. Durability, safety, and comfort are our top priority. ~Harness is recommended to use with the seat belt leash - prevent high restraint from regular collar, give maxium safety and extra comfort. ~Universal Compatibility: Designed to be compatible with most vehicles.