Impact Dog Crate (Collapsible), 450 Model, X-Large, Grey in Color Crate Size - 450 (see reference chart in images) * 20% lighter than comparable crates Door: 19.8x14.8 * ID:40Lx24Wx28T * OD: 40.5Lx24.5Wx28.5T (Including airline rails/corners) * When Collapsed: 40.5Lx24.5Wx7.5T Welded rivet construction * Increased airflow with larger vent holes and door openings Marine grade slam latch automatically locks into place for a no hassle close IATA compliant * Made in the USA