The Fat Cat Cat Backpack is a sturdy, spacious, and well-ventilated carrier with a roomy interior that holds up to 25 lbs (11.5 kg). It features strong, breathable mesh on both sides and the top, along with vent holes for airflow. Adjustable chest and shoulder straps and a padded back help ensure even weight distribution and a comfortable ride for both kitty and human. Many customers use The Fat Cat Backpack for air travel, and it includes a removable screen attachment for added privacy and a slimmer fit for tucking under the seat, plus a pack-flat design for storage when not in use.