Pet Gear Dog/Cat Convertible Booster Seat and Pet Bed, Removable Washable Cover, Safety Tethers Included, Installs in Seconds, &nbsp;No Tools Required Booster easily attaches to car seat; turns into a bed for home use Seat can be belted in vertical or horizontal position Tether can be attached to pet's harness to keep them comfortable and secure Machine washable cover Measures 25"L x 22"W x 7"H