mifold is compact, safe, and portableDesigned for kids aged 4 and up, 40 to 100 lbs, and 40 to 59 inches tallmifold meets or exceeds regulatory safety standards for booster seats: FMVSS 213, National Highway Traffic Safety Administration, and regulations globallyIdeal for travel, taxis, rideshare, rentals, and all your adventures! Compact enough to fit into a child's backpack, glove compartment or bagKeep your child safe by optimally adjusting the adult seatbelt to fit properly