Features: 1.LARGE CAPACITY SPACEEnough space will not make pets feel depressed 2.Visible from three sides,Pets can enjoy the scenery with you from three sides 3.Different carrying methods,multiple forms of carrying Transparent window: The transparent acrylic cover is used on both sides to give the pet a completely visible field of vision and enjoy the scenery of the journey with you. Ventilation holes: The entire surface of this pet backpack is porous, which can ensure that pets can breathe freely and protect their health and safety. Large space: The size of this cat backpack is 40*32*43cm/17*15.8*2in, and there is enough space to rotate freely inside, rest in various postures, Please keep in mind: this backpack suitable for pets with a weight range of 4-6 kg for cats and 4-8 kg for dogs. Different carrying methods: It can be used not only as a backpack, but also as a basket. The structure is stable and does not roll over. It will accompany you with the co-pilot when driving.