Palace Pet plastic kennels are extremely strong and durable because they are made with heavy duty plastic with a reinforced top, bottom, and sidewalls. All Palace Pet kennels have ventilation on all four sides making it a more comfortable environment for the pet. Most competitive kennels do not have ventilation in the rear. All sizes are airline approved for shipping animals domestically and internationally. Many competitive kennels are approved only domestically. To ship animals internationally it is a requirement that there is ventilation on all sides including the rear. Palace Pet plastic kennels feature unbreakable, easy to use side latches making assembly easy for you. UPC 732590201214 Constructed of durable, high-impact plastic with reinforced sidewalls Ventilated design allows for superior air circulation Metal grid door with easy-squeeze latch Easy to assemble-no tools required Tough, durable construction with reinforced sidewalls Flow-through ventilation on all sides Safety door locks Airline approved for international and domestic travel Easy to assemble and clean Made in U.S.A. Backed by the exceptional customer service of Palace Pet Product |