Portable Pet Booster Seat - Supreme Express - Beige (Cute Dog Not Included) Quickly & securely mounts to your vehicle's passenger seat. Also works in the back seat (headrests required) Supreme comfort and removable soft faux sheepskin liner that removes for machine washing. Adjustable clip on safety leash. Zip close Storage pocket on front for pet leashes, pet toys, pet treats and more! Supreme for small dogs and pets up to 20 Lbs. Booster seat measures: 12.00"w x 8.00"H x 10.00"D. Includes strap that wraps around headrest and attaches to clips on front of seat.