Pawaboo Pet Carrier Backpack, Adjustable for small dogs and cats

13"L x 8"W x 15"H (Small) From product site: Recommended for 5LB ＜ Small Dog & Cat ＜ 18LB : Pawaboo dog carrier backpack is designed for carrying small dogs/cats, we highly recommend for puppies less than to 18 LB (The larger dog may bring too much weight-bearing for the owner).