The Touchdog ® Polka Dot Large-Pocketed Zippered Duffle Dog Backpack and Harness is functional, comfortable and fashionable. Composed of high-quality felt with industrial-grade adjustable Dual Nylon straps that wrap around the body with breathable mesh-lined over-the-shoulder straps for added security, comfort and even-weight distribution. Features a stainless-steel leash connecting ring with a fashion bowtie tug handle and a large zippered pocket with an additional back-pocket sleeve for added belongings. Available in Multiple sizes. Sizing Measurements - Measure around the Chest circumferenceSmall - Chest Circumference Range 15.7" In - 22" In Large - Chest Circumference Range 23.6" In - 39.4" In