Also, think about your storing needs. Do you need to store your cat carriers in a small area? If that is the case, then going for a soft sided carrier would be the best option for you.
These fall into two categories: hard-sided and soft-sided carriers
Always check with the airline before traveling with your cat as rules about cat carriers vary from airline to airline. Soft-sided carriers are great for storing when not in use. They fold up so that you can easily secure it into a small storage space, which is easily accessible to you when needed.
Soft Sided Cat Carrier Safety? | The Cat Site
Having your cat with you in the plane and secure in a soft-sided carrier will greatly help your cat to feel less anxious about the travel situation. Traveling in the cabin of a plane is certainly much safer for your cat than the cargo section, which has many limitations and can be traumatizing to your pet.
Best Cat Carrier I Our Favorite Hard & Soft Cat Carriers
• DELUXE COLLAPSIBLE SOFT CAT CARRIER Perfect for Travel, Vet Trips, “Cat-Naps” and More. 2X THE INTERIOR SPACECompared to Traditional Carriers
• BEST …Expandable Pet Carrier- Airline Approved- Designed for Cats Dogs Kittens Puppies Extra Spacious With 2 Side Expansion! Comfortable Soft Sided Travel Carrier 100% Satisfaction Guaranteed!• A pet carrier that gives you the best features of both hard and soft carriers! 17" long by 13" high by 14" wide, it's suitable for cats, small dogs, …Having been a cat owner and an avid traveler for over 20 years, I’ve tried just about every type of cat carrier there is. I traveled with my cat to Europe using a many years ago and to this day it remains one of the best choices for cats on long trips. Cheap soft-sided bags can be flimsy and if your cats are anything like my cats, they will be attempting to destroy that bag from the inside as if their little lives depended on it. The is pretty indestructible. I’ve had some wild cats and if mine couldn’t bust out of them, I’m sure yours won’t be able to!The is one that is great for the vet, airline travel, long car rides, is easy to get the cat in and out, & is comfortable. I use when traveling because they are more comfortable for the cat and also because you can travel with your cats in the cabin of airplanes. You put your cat in its soft-sided bag under the seat in front of you. You can’t do that with a hard carrier. Just make sure the carrier you get is airline approved.Generally more expensive than the hard-sided carriers are the soft-sided carriers. These are a good option for those with limited storage space since many soft-sided carriers can be folded when not in use. Often the favorite of pet lovers who travel with their cats, these carriers can be a good choice for those seeking comfort for both you and your cat.