The Aspen Pet® Fashion Pet Porter® features safety; comfort; and style all in one. Pet Porter offers a quick-latching system for your pet's safety and comfort. Fashion Pet Porters in sizes 19"; 23"; 24" and 26" offer built-in compartment covers for added storage of treats or other pet needs. Side vents promote a healthy airflow. The stylish design has a great appearance and pet parents can choose from an assortment of sizes and color options to fit your pet's lifestyle. Made in the USA. Meets most airline requirements. Please contact your specific airline before traveling for verification of their requirements. Plastic made in the USA; handle and other components imported.INTERIOR DIMENSIONS:19" Interior Dims: 16.2" L x 12" W x 9" H23" Interior Dims: 21" L x 13.5" W x 11.5" H24" Interior Dims: 21.5" L x 15" W x 13.5" H26" Interior Dims: 23.75" L x 17" W x 15.5" HFor assembly instructions; visit petmate.com/kennel-instructions