Zinger Airline Approved Crate - Front EntryZinger's Airline Approved crates feature Zingers IATA 82 conforming rails along the sides of the crate for use with airline travel. Also included is the Airline Travel Package, consisting of carrying handles, Lock and Deadbolt covers, "Live Animal" labels, and 2 plastic bowls for food and water. As with all Zinger doors, each door is completely reversible and can be opened from either the left or the right. They come with 3 rows of ventilation holes