Gen7 Compact Roller Pet Carrier for Dogs and Cats &ndash; Compact and Lightweight &ndash; Converts to a Backpack EASY TO USE  The Roller-Carrier Pet Carrier is compact, lightweight, and easy to use. When shopping, traveling, or simply moving about outdoors, the Roller-Carrier Pet Carrier has an easy to use pull from behind handle and smooth rolling wheels. SMART DESIGN  Gen7Pets Smart-Level Platform ensures your pet will never tip over when being pulled in the Roller-Carrier. Uniquely designed to tilt instead of tip over like other roller carriers, the Gen7Pets solution keeps your pet level when at rest or while traveling. CONVERTS INTO A BACKPACK  The Pet Roller-Carrier can quickly and easily convert into a backpack simply by collapsing the handle and using the rear straps. Not having to worry about stairs, escalators, or outdoor terrain ensures the Pet Roller-Carrier is ready for all your needs wherever you go. COMFORTABLE FOR PET & OWNER  Your pet will love leisurely travel in the Pet Roller-Carrier. Equipped with mesh windows on either side as well as zippered doors on both the front and top, easy access to your pet and plenty of visibility keeps both you and your pet happy. An interior safety tether is also included to ensure your pet remains safe and out of harms way. COMPACT DESIGN IS GREAT FOR AIR TRAVEL  In addition to the great travel feature of the rolling carrier and convertible backpack, the Roller-Carrier Pet Carrier is also perfect for air travel. Fits under most airline seats so your pet stays comfortable and happy throughout the flight! Please check with your airline before traveling.