This would be ok for a kitten, but i'm not sure an adult cat would fit in it very comfortably, even just for a short trip to the vets! I will probably need to buy a bigger one when my kitten grows! Access is limited also, as there's just one door/flap that un-zips for your pet to go in & out. There is no flap/door at the back & the only other opening is a very narrow one in the top which is just big enough to get a hand in, but certainly not a pet! The metal frame takes up a lot of the room inside the carrier and would need a folded blanket or other padding to make it more comfortable for your pet (otherwise they would have to lie on the frame), but this would further limit the space inside! In all fairness it does however state "small pet" on the description, but I think anything smaller than a cat would also be able to nibble their way out fairly quickly.
Quite disappointing & a lot narrower than it appears in the picture.