Safety 1st Grand 2-in-1 Booster Car Seat

A harness-to-booster seat with 2 modes: forward-facing harness booster 40 to 65 lb, 43.4 to 49 in; belt-positioning booster (high-back) 40 to 100 lb, 43.4 to 52 in.

At a glance

  • Fits children from 40 to 100 lb
  • Up to 52 in tall
  • 2 modes: forward-facing harness booster, belt-positioning booster (high-back)
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Specifications checked against Safety 1st’s US site and manual on . Not hands-on tested. How I research

Who the Grand 2-in-1 Booster Car Seat fits

This seat covers 2 stages, and a child has to meet every limit of the stage they are in. Check the date label on the shell before using a hand-me-down; every seat has an expiry.

Forward-facing harness booster40 to 65 lb · 43.4 to 49 in
The child faces forward in the seat’s own harness. Use the top tether every time, and stay in the harness until the child outgrows it.
Belt-positioning booster (high-back)40 to 100 lb · 43.4 to 52 in
The seat’s own back and belt guide route the vehicle belt across the shoulder, and the sides give the child something to lean on when they sleep.
A school-age child with a backpack beside an empty high-back booster

What are the Grand 2-in-1 Booster Car Seat weight, height and age limits?

Safety 1st Grand 2-in-1 Booster Car Seat limits by mode
ModeChild weightChild heightMinimum ageConditions
Forward-facing harness booster40 to 65 lb43.4 to 49 inNot published
Belt-positioning booster (high-back)40 to 100 lb43.4 to 52 inNot published

A child must meet every limit for the mode they use. The labels on your seat and its manual are the final word.

Grand 2-in-1 Booster Car Seat specifications

Seat weight
Not published
Width
Not published
Usable life
See the date label on the seat
Aircraft use
Not published

How the Grand 2-in-1 Booster Car Seat installs

Harness
5-point harness. Check the harness height at each growth spurt: at or below the shoulders rear-facing, at or above them forward-facing.

Every install is a fit between one seat and one vehicle. Read both manuals, and use a free inspection station if anything is unclear.

An empty car seat installed on a back seat, seen through an open car door

Will it fit your car?

Safety 1st does not publish a width for this seat, so measure your back seat and compare it with the seat in a store before buying.

  • Check your vehicle manual for lower anchor positions and any head-restraint rules.
  • Rear-facing seats need front-seat room: try the install behind the driver before you commit.
  • Aircraft certification is printed on the seat’s own label; check before you fly.

What features does the Grand 2-in-1 Booster Car Seat have?

  • 5-point harness
  • High-back booster mode

Colors listed in the US

Old Soul, Black Sky, Black Sparrow, High Street, Capri Teal, Sunrise Coral.

Is the Grand 2-in-1 Booster Car Seat recalled?

No campaign in the current NHTSA child-restraint data names this model family, and I have not run a separate review for it. Check your seat’s model number and date of manufacture before use.

NHTSA recall search · Recent car seat recalls

Before you buy

  1. Weigh and measure your child. The limits above are the manufacturer’s, and a child has to meet all of them for the mode they will use.
  2. Confirm the exact version. Colors, retail exclusives and model numbers change limits more often than you would expect; Safety 1st lists 6 colors of this seat.
  3. Read the manual before you buy, not after. It is linked above and holds the fit rules, the install methods and the expiry.
  4. Check recalls by model number and date of manufacture, and register the seat with Safety 1st so you hear about the next one.

Sources

Other Safety 1st booster seats