All parts included, great condition, no accidents IT IS UNCONVENTIONAL and INNOVATIVE. This is a vest type Child Restraint System and uses a revolutionary technology to increase safety for the little traveler by optimizing the adult seat belt to fit 2 and 3-year-olds. IT IS SAFE AND LEGAL. This is certified for use in motor vehicles, meets or exceeds all applicable FMVSS 213 requirements so is legal to use in all states and territories of the U.S. IT IS COMPACT, ULTRA-LIGHTWEIGHT, AND PORTABLE. This is perfect for a family travel, fits 3-children in the same row of a vehicle with comfort and ease; ridesharing, taxi, or rental car. Great for grandparents and caregivers because it’s lightweight and easy to install and use. IT CAN BE USED WITH OR WITHOUT TETHER. This is to use with a vehicle lap belt and top tether by securing the vest with a top tether anchor in the vehicle. Also, this can be used with a lap and shoulder belt with or without a tether strap. WHO CAN USE IT? The Extra Small (XS) size is recommended for children about 2 years and older, weighing 26.5–40 lb and measuring 30–45 in tall. Note: Some pre–Dec 5, 2024 units list a 22 lb minimum. Both versions are safe, tested, and compliant — the difference reflects a regulatory change, not a design or safety issue. AIR TRAVEL NOTICE: The RideSafer Vest is NOT FAA approved for use on aircraft. It is certified for use in motor vehicles under FMVSS 213 and requires a tether with lap-only seatbelts.