The K9 Sport Sack Walk-On Packable Dog Carrier Backpack in size small is a versatile and portable solution for carrying your small dog on your back. Made of durable nylon material and designed by the brand K9 Sport Sack in the United States, this backpack carrier provides a comfortable and secure way to transport your furry friend while on the go. The packable design makes it convenient to use wherever you are, whether you're hiking, traveling, or running errands.