A lightweight design (only 9.8 lbs.) makes traveling with this car seat a breeze. The First Years Compass B510 Booster Car Seat has a five-star Ease of Use rating. The First Years Compass B510 Booster Car Seat was one of only two high back booster seats to receive five stars and the only seat to receive five stars in every category to date under the National Highway Traffic Safety Administration's (NHTSA) new Ease of Use rating system. The Compass Folding Booster Car Seat is lightweight and ideal for travel and storage because it folds down with a convenient built-in carry handle. Convenient features include a 6-position height adjustment, an extra-wide comfortable seat to accommodate larger riders, and energy-absorbing EPS headrest with wings for superior neck impact protection. Flip-up armrests make it easy for your child to climb in and out by himself. Retractable cup holders are perfect for juice boxes or cans. Recommended rider weight: 30 to 100 lbs.