Made of high quality oxford cloth + high density acrylic material,exterior breathable hemispherical transparent cover helps ease pet anxiety. Space capsule style + transparent window design, and you can wear the backpack either on your back or in your front,which allows your pets to enjoy the sunshine and scenery with you and interact with the outside world. Built-in lock can prevent the pet from running away or getting lost when the cat space bag is open,large ventilation holes on the side of the bag, promote air circulation, make your pet cool and comfortable. Suitable for daily use: Great for taking your pets with you when going out,take your pet out to the ballgame, on a plane. With the fixing buckle strap interior to prevent your pet run away.The best choice for you and your pet to have a nice journey.