This car seat stroller is intended for children's short-distance transportation and can readily fold into a small square. The design of the wheel is a bi-directional rotating shaft with double strong bearings and wear resistance. For the safety of your baby, it is alsowe have prepared safety belts in this carseat cart , which can fix the cargo well and protect your baby. When you don't need it, it can be folded into a small size with just a button.