The Quick Release™ Dog BackPacks will give your dog maximum comfort and convenience when hiking with you. The backpack is designed with an adjustable harness and removable pack. Large storage pockets hold food, water and other gear. Made with extra-strong nylon for durability. Quick Release Dog BackPacks feature the "quick release" leash holder for use when approaching other hikers, dogs, or wildlife. Available in four sizes to fit most dogs.
Small fits dogs up to 18 lbs with a chest girth from 16" to 25",
Medium fits dogs 18 to 50 lbs with a chest girth of 26" to 32",
Large fits dogs 50 to 79 lbs with a chest girth of 30" to 40",
and X-Large fits dogs over 80 lbs with a chest girth of 36" to 48".