Pet Backpack Dimensions: This dog carrier size is 12.5'L x 10.5'W x 16.5'H. Perfect for cats, dogs, and most other small/medium-sized pets weighing no more than 25lbs! It also features a dog poop bag dispenser & a dog poop bag for free, which can meet your needs when going out. GOOPAWS dog backpack features upgrade rigid construction to hold its shape when your pet is Inside. Fine workmanship, durable and not easy to break, providing better security for your pets. There are zipper openings on the top of the bag and on both sides for your pet to easily get access the backpack. The pockets on both sides can store food and some small items. It can be easily storage when not in use.