Improves safety by reducing driver distraction and restraining pet in case of sudden stop.Crash tested in DOT-certified facility to meet top industry safety standard and stress-tested to 3000+ lbs.; See our website for full testing details.Fully-padded vest with breathable liner provides superior comfort and safety.Easy to load/unload pets and fits ALL vehicles.Integrates with vehicle's seat belt system to provide some range of motion while traveling; but locks during sudden stops.