The Pet Wheel-Around is a high quality wheeled transport that lets you take your pet almost anywhere you go. This soft-sided, carrier is easy to pull. Fabric: The Pet Wheel-Around is made from a very durable nylon micro-fiber quilt, available in Khaki, Black or Red. Both Black and Red are lined in a gray nylon, Khaki is lined in an attractive blue/ grey nylon. Used as a backpack - converts easily & has an ergonomically-contoured back with padded shoulder straps which can be hidden when not in use, a padded back provides extra comfort. Used as a car seat - a car's seat belt holds the Pet Wheel-Around safe & secure.