MyFavoritePetShop via Amazon offers Prime members the Favorite Portable Cab Pet Carrier
in Blue, White, or Yellow, for $18.49
with free shipping
. (Non-members can spend over $35 for free shipping; otherwise, shipping adds $5,99.) That's $19 under the lowest total price we could find for a similar pet carrier elsewhere. It measures 17" x 13" and features ventilation holes and quick-latch front door. It's suited for use by puppies, small dogs, or kittens.