Weight capacity   Front-facing: 18kg-45kg (40lb.-100lb.) Booster seat: 18kg-45kg (40lb.-100lb.)   A versatile car seat for your child   This highback two-in-one convertible booster car seat transforms from a highback to a backless booster as your child grows Padded, height-adjustable armrests can be customized to your child's size This booster car seat raises your child to the proper height for the seat belt, keeping them comfortable and safer   Safety and strength in your child's car seat     This booster car seat features EPS, energy-absorbing foam, and a multi-layer headrest that will enhance your child's comfort The open-loop belt guides aid in properly positioning your vehicle's seat belt   Hideaway cup holders keep your child's snacks and drinks within reach