A4Pet Collapsible Cat and Dog Carrier, Top Loading, Sturdy Bottom, Easy Storage 16"L x 10"W x 10"H for small animals up to 12 lbs. AIRLINE APPROVED; Can be secured in CAR seat and fastened on LUGGAGE Top loading and side opening, easy to get the pet to enter Folds down into a small flat package for easy storage Comfortable RIGID cushion makes bottom sturdy Lightweight (2.2 lbs) and well-vented for air circulation