4 Way Expandable Soft-Side Carrier: This sturdy pet carrier expands on all 4 sides to create more room for your cat to lay down or move around.The mesh fold-out sides give great ventilation and better visibility for your pet, resulting in less anxiety and depression when long distance traveling or for routine trips to the vet. Note Before Purchase: This large size travel carrier bag for dogs measures 19.5"L x 12"W x 12"H (43.5"L x 32"W x 12"H when 4 mesh windows fully expanding), which fits perfectly for small dogs/puppy/dog/cats/kitten, it can even take 2 cats inside. Fits Pets up to 19"Lx11"W x 11"H. Then the max load of 20 lbs (9 kg). Please remember that preference should always be given to the size then the weight of your pet. Sturdy Carrier With Various Attributes:2 large side entrances + 1 top opening, the front expansion can also be used as an entrances if you unzip it. 2 mesh storage pockets are enlarged to carry more accessoris(Vaccine documents/snacks/toys/pads/sanitary bags/wipes/treats/catnip/bowl). Besides silver reflective tapes are added on the 3 mesh windows for night recognition.This lightweight carrier is easy to clean, folds down flat to store away.