GracoNautilus SnugLock LX 3-in-1 Harness Booster Car Seat


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color: Zale



What weabout it
A 3-in-1 booster, plus fuss-free harness and machine-washable fabrics.

About this Product
  • Hassle-free 3-step installation using vehicle seat belt or LATCH
  • Grows with your child
  • Simply Safe Adjust Harness adjusts the height of your harness and headrest
  • Integrated harness storage system


Click! That’s the sound of a secure install. The Nautilus SnugLock LX Harness Booster is equipped with SnugLock Technology for a hassle-free, 3-step installation in less than one minute using either vehicle seat belt or LATCH. In three easy steps, you can feel confident you’ve got a secure install.

The 3-in-1 harness booster converts from a 5-point harness booster (22-65 lbs), to a highback booster (40-100 lbs) to a backless booster (40-100 lbs) to a slimmer backless booster (40-120 lbs). The Simply Safe Adjust harness allows you to adjust the harness and headrest together as your child grows, and then the harness stores away easily in booster mode.

You’ll appreciate the ease of the fuss-free harness and machine-washable fabrics. Little passengers will enjoy the dual cup holders, armrest storage, and recline. Nautilus SnugLock LX grows with your child and is the last car seat you’ll ever buy.


  • Dimensions: 19.5” x 20” x 27.5”
  • Weight: 22.55 lbs
  • Child limit: 22-65 lbs with 5-Point Harness; 40-100 lbs as Highback Booster; 40-100 lbs as Backless Booster; 40-120 lbs as Slimmer Backless Booster

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