Petmate's STANDARD Vari-Kennel's are sturdy, lightweight, economical and portable Kennels for local trips to the veterinarian, groomer or for a flight around the world. All Vari-Kennels are USDA approved for Airline Flight. Also known as a "flight kennel", the Veri-Kennel is made out of a strong co polymer with steel doors. The STANDARD model Series 4000 is 25"W X 36"D X 27"H. This model comes in Clay or Clay/Red Brick (note separate item numbers). This Vari-Kennel is ideal for LARGE sized Dogs.