1. Basic Overview of Four-Wheel Baby Strollers Four-wheel baby strollers are a common baby product, usually composed of chassis, seats, wheels and other parts. Its main function is to provide a safe and comfortable riding environment for babies, and it is also convenient for parents to take their children with them when traveling. There are many types of four-wheel strollers, including ordinary styles and high-end styles, and the prices and functions of different styles also vary. 2. How to choose