Chicco Nextfit Car Seat chest clip part for toddler car seat, see pics for details. This is a very unique chest clip, it has two different positions, one is for smaller children, and the other position is for larger children, see pics for details. Condition is "Used". This listing is for the chest clip only. Shipped with USPS First Class. Measure and ask if unsure, no returns if you buy the wrong one. This fits the Chicco Nextfit toddler car seat, not designed for the smaller infant car seat. #042423, this number is not the model number, it's just for my inventory. Model number is shown in the last picture. This listing is for the chest clip only, not the car seat, car seat is shown for reference only.