Available in three sizes, the Small size for dogs weighing between 16-39lbs, Medium size for dogs weighing between 38-60lbs and Large size for dogs weighing between 61-88lbs. Compact and lightweight making it very easy to store and take just about anywhere. Superior Quality: Constructed from commercial-grade material for high performance and durability. Our product is meant to last for a lifetime. Ideal for taking your dog to the park,walking, running, hiking and camping adventures. Perfect Size: Features a 2 large main compartments with a handle on top to make it easy if you need to get a hold of your dog. All three sizes are also equipped with a soft breathable mesh base for cooling and comfort. Soft sided and completely collapsible to make storage easy. Well Designed: One external D-ring for your leash or seatbelt. Stainless steel zipper, Sturdy buckle straps situated in the front, back, and sides of the harness to ensure your items stay in place.