Travel System Stroller is really three great products in one. It is a Stroller, a Carrier, and a Car Seat! The entire system weights 14 lbs and can easily accommodate pets up to 15 lbs. Key features: Front zippered entry · Front, top and rear mesh for proper airflow and visibility · Large undercarriage storage basket · Rear brakes · For small animals up to 20lbs · Stroller frame folds to easily stow in a car and has a · Detachable bottle and accesory holder. Interior dimensions: 20" long x 12" wide x 12" high.