For pet parents on the go, the Roller-Carrier takes innovation and fashion to the next level. Whether running errands, traveling or enjoying the great outdoors with your cat or dog, the Gen7Pets Roller-Carrier with Smart-Level Platform provides a smart, secure and safe experience for you and your pet. Unlike other wheeled carriers, Gen7Pets™ Smart-Level Platform keeps your pet from tipping over as the carrier is pulled from behind.