WOpet Airline Approved Pet Carrier Dog Cat Pet Carrier Soft-Sided Travel Pet Backpack The spacious interior means your pet can sit; stand or even lie down comfortably Zippered top mesh opening allows your pet to stick its head out to enjoy the fun of the trip or for you to interact with your pet Adjustable security leash inside the bag helps restrain your pet or keep him/her stable Size:40*22.5*30,fits small pets (dogs or cats) up to 15 lbs. Perfect for long road & airline trips. It's convenient for taking your pet on travels around the world, no problem in the airplane and other transportation