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Graco Baby Nautilus 65 LX 3-in-1 Harness Booster Car Seat Child Safety Ion

Graco Baby Nautilus 65 LX 3-in-1 Harness Booster Car Seat Child Safety Ion

Graco’s top-rated Nautilus 65 LX 3-in-1 car seat spans from toddler to youth, to help keep your growing child safe. Featuring TrueShield advance side impact protection from head to hips*, this seat grows with your child from 22- 120lb. It starts as a harness booster from 22-65 lb, converts to a high back booster from 40-100 lb, and becomes a backless booster seat from 40-120 lb. The Simply Safe Adjust harness allows you to adjust the harness and headrest together as your child grows through each mode, and then the harness stores away easily in booster mode. You’ll appreciate the ease of the fuss-free harness, for easy in and out, and the belt locks off, for easy installation. Little passengers will enjoy the premium fabric, body support, personal cup holder and storage compartment. The perfect blend of safety, function, and comfort!


Keeps your child in a booster up to 120 lb
Fuss Free harness storage to get baby in and out easily
Body support helps keep your child comfy
Integrated belt lock-off for easier vehicle seat belt installation
Steel-reinforced frame provides strength and durability for up to 10 years of use
3-position recline helps keep your growing child comfy
Contoured armrests with dual cup holders and storage compartment
Seat pad, body support, harness, and buckle covers are comfortable and machine-washable
*Be sure to check you're local and state laws, as well as AAP and NHTSA recommendations, for car seat usage.
Engineered & crash tested to meet or exceed the US standard FMVSS 213
Rigorously crash tested to meet or exceed U.S. safety standards
In addition to meeting or exceeding all applicable US safety standards, the Nautilus 65 LX ft. TrueShield has sides impact tested for occupant retention solely with the built-in 5-point harness system
EPS, energy absorbing foam for effective impact management
3-in-1 harness booster helps protect your child, from toddler to youth
Harness Booster (20 – 65 lb), highback booster (40 – 100 lb), backless booster (40 – 120 lb)
Simply Safe Adjust Harness System headrest and harness adjust together
The integrated harness storage compartment holds unused harness straps while in the belt positioning booster mode
One-hand, 5-position adjustable headrest easily adapts for your growing child


Car Seat Depth: 18 in
Car Seat Width Outside : 20.0 in
Car Seat Height: 28 in
Weight: 21.78 lb

Recommended Use:

Fits toddlers 22-65 lb forward facing in a harness
Fits youth 30-100 lb in Highback belt-positioning booster
Fits youth 40-120 lb in a Backless belt-positioning booster

Care and Maintenance:

Machine-washable seat cushion
Metal and plastic parts may be cleaned with mild soap and cool water
To clean buckle, place buckle in a cup of warm water and gently agitate the buckle. Press the red button several times in the water. Do not submerge the buckle strap. Do not use soaps, household detergents, or lubricants.
Harness straps may be spot cleaned with mild soap and a damp cloth.

Color: Blue, Purple, White
Size: 20, 24
Material: 100% Polyester