The Big Apple model is 2" longer than most airlines will spec, but is the same height and width as the other models, along with the same pliable fabric and compressable design. It is sold worldwide and used quite regularly on both international and domestic routes for a long period of time now. It is designed for those pets where a smaller length is simply not an option. * Premium Brand Auto Self Locking Zippers for Safety and Eliminating the need for fragile clasps as the tote cannot be pushed open by your pet from the inside * Faux Fleece Padding with Plywood Base Insert for Additional Support & Weight Handling * Airline Capable , best fit for pets approximately less than 18" in length while laying down.