"The Fat Cat" Cat Backpack - For Larger Cats

$119 $159

Why It Rocks

“The Fat Cat" cat backpack is our international best-seller! It holds the most weight on the market — over 20 lbs of cat.


Our breathable cat backpack is great for larger "big boned" cats, 2 medium sized cats (yes, you can use it for two cats), or lots of kittens.


All of our styles have a clip and bungee for you to attach a leash so your cat can "hang out" of the backpack.


Many of our cat backpack styles, including "The Fat Cat," are airline approvedLearn more about that here.


Your order is packed and shipped with love from our warehouse in Queens, New York.


  • Clip inside to attach a leash
  • Bubble attachment
  • Screen attachment
  • Side pockets on both sides
  • Adjustable shoulder straps
  • Adjustable chest strap
  • Strong mesh sides and top (no cat has broken through yet!)
  • Air holes in the front (seriously, we wouldn't sell something your fur babies couldn't breathe in)
  • Mat, removable

Dimensions & Weight

Maximum Weight: Cats: 25lbs, Dogs: 17.6lbs || 11.5kg, 8kg

Dimensions: 15 x 11.4 x 17.7 IN || 38 x 29 x 45 CM

Bag itself weights about 2lbs || .9kg

Customer Reviews

Based on 200 reviews
Marie Saunders
Best cat backpack!

Lots of room and ventilation. After getting used to the backpack inside, my cats were super excited to take it out. They love looking out the bubble window and poking their heads out the top. This backpack is very durable, built well, and I highly recommend!

Erin Rose
Best backpack ever

I have seen cat backpacks , but they are nothing like this one. I been debating this one for awhile now because it was more costly than the others and I have a maine coon who will be a larger cat and I wanted to make sure he had a good backpack that was going to last him. I ordered the backpack and was amazing with the quality and how comfortable it is. I also have a special needs cat who I has to take with me all the time. Hes a bit nervous but hes fine with being hidden away and he took a liking to the backpack so I had to order another one. I got to say this was the best purchase ever for both my kitties. They didn't take no time at all to get use to the backpack and they now looks at it as their comfort zone. I am so happy with my purchase and so are my kitties.

Lauren Oberlin
Sturdy + Spacious

My cat is an old boy and has never been a big fan of adventure, but this is perfect for safely traveling in the car. He's a chonky 14 libs and there's plenty of room for him to lay down. The bag feels super durable and high quality and I trust it'll hold up for a long time to come! Nice that it has pockets on the sides too, and a chest strap. The only thing I'd maybe add to it is a second buckle strap for the waist/hips to take some weight off my shoulders since my cat's pretty heavy.

Adventure Cat in training

I absolutely love this bag! The material is very well made and it’s very spacious.. I can’t wait to take me kitten out on his first adventure.. I ordered a XS harness but it’s still too big so I will have fo wait until he grows into it..

Mohammad Doleh
Sturdy and Quite Big

I have a 14 lbs cat who is quite big. This backpack suits him well and he loves it! Also sturdy enough that I don't feel like he'll rip any holes in it anytime soon. He's quite destructive.

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