Everything else before it was cheaper scrap! Finally, we are excited. And our cat (4 kg) too !. This is the first ever animal backpack with a solid, stable base, we could find. Also the low weight has absolutely convinced us. The space inside is comfortable, so that it can also lie. In the height of even high enough that the cat can sit comfortably upright. If you wear a backpack in front of the abdomen, rather than your back, you can keep all the time with his animal eye contact, which is great, and our cat loves to look up to us. She gets a willingly and signaled to us that they like the backpack and even regards as a kind of protective space they also sometimes in everyday life seeks to crumble itself. The carriers are thickly padded and very comfortable even for longer distances. We recommend thrilled!