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.Versatile Design: Sturdy steel frame reinforced to ensure that the pet bag keeps upright and will not be deformed or sag when carrying pets out. The removable pads are updated to 3 pieces:1 bottom main covering + 2 side mats, they can be connected together by Velcro or seperated as per you want it to be warmmer or cooler,which makes it to be breathable and comfortable.Safe and Easy to Carry: 5 methods of transporting,hand carry/carry by adjustable shoulder strap/put on the top of suitcase/car seat/ under the airline seat, which is perfect for long trips/car rides/airline travel/vet visit/vacation/possible airport delays/waiting for the layover/home use etc.