Excellent condition from a very clean, non-smoking family. 4/2017 manufacture date. 4/2023 expiration date. Purchased brand new. Metal frame. Very safe seats. Kids can be in 5-point harness until 80lbs. Graco’s top-rated Nautilus® 80 Elite 3-in-1 harness booster secures your child in a 5-point harness longer, from 22-80 lb! The seat converts to a high back booster from 30-100 lb and becomes a backless booster seat from 40-120 lb. Its Simply Safe Adjust™Harness System allows you to adjust the harness and headrest together, with no rethreading. The fuss-free harness allows for easy in and out and the belt lock off makes installation quick and easy. Little passengers will enjoy the premium fabric, personal cup holder and storage compartment. Keeps your child harnessed longer - up to 80 lb Fuss Free harness storage to get baby in and out easily Integrated belt lock-off for easier vehicle seat belt installation* *vs. using the locking clip Removable body support helps keep your child comfy Steel-reinforced frame provides strength and durability 3-position recline helps keep your growing child comfy Rigorously crash tested to meet or exceed U.S. safety standards Side Impact Tested* *In addition to meeting or exceeding all applicable US safety standards, the Nautilus™ 80 has been side impact tested for occupant retention solely with the built-in 5-point harness system One-hand, 5-position adjustable headrest easily adapts for your growing child.