Harness System, which adjusts your harness and headrest to 8 height positions, with no rethreading.Open-loop belt guides help properly position your vehicle’s seat beltLightweight and portable. Great for traveling! Airport delivery is available- see surcharge price upon check out! **We provide instructions but will not be available to install or help, due to liability reasons. We are not permitted to install car seats**  For reservations less than (48-hours) of rental date, please call (808) 772-8127 or click here for“Same-Day Delivery”.We require a 3-day minimum for all reservations with orders of $50 or more.Free delivery and pick-up on all orders over $350