Perfect for housebreaking, kennel training and travel. Meets USDA & IATA requirements for shipping live animals. Tough durable construction with reinforced sidewalls. Easy-open squeeze latch. Assembles in minutes--no tools required. Vents on back & side walls. Interior moat to keep pets dry. Tie-down strap holes molded in around the door perimeter for zip-tie installation and extra security during airline travel.