Child Restraint systems other than harnesses, restraints designed for use by children with physical disabilities, school bus child restraint systems, and booster seats (4) Whether energy absorbing materials integrated to the system's structures are considered padding and flexible overlay materials and whether they would be removed prior to inspection. If https://bbs.pku.edu.cn/v2/jump-to.php?url=https://www.ledteks.com/seatbelt-and-safety-belt-webbing