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The Graco Nautilus 65 LX 3-in-1 Harness Booster goes the distance from toddler to youth to help keep your growing child safe. This Convertible Car Seat secures your child in a 5-point harness from 20-65 pounds converts to a belt-positioning booster from 30-100 pounds and becomes a backless Booster Seat from 40-120 pounds. Its Simply Safe Adjust Harness System allows you to adjust the harness and headrest together with no rethreading. You’ll appreciate the ease of the fuss-free harness for easy in and out while your travel partner enjoys the comfy body insert personal cup holder and storage compartment. Be sure to visit our Graco Brand Store for superior baby products.