Four Paws Double-Wide 18" High Walk-Over Wooden Gate is expandable up to 80" wide, that's over 6 and a half feet wide!18" High and Expands from 48" to 80" Wide/18" High and Expands from 30" to 40" WideAssembles Easy with no Damage to WallsGate pressure mounts against the wall or door frameAt 18" high it will keep small dogs and older dogs that have lost their "vertical leapability" at bay without becoming an obstacle to family and friends. Assembles easy with no damage to walls. Four Paws Double-Wide 18" High Walk-Over Wooden Gate does NOT have a walk through door.