Sunshine Kids Monterey Expandable Booster, $170

Rating: 9.5/10

Tested by Holly Breingan, mom of Emily, 8, and Ezra, 4, Nanaimo, B.C.

Weight and Height Limit: From 40–100 lbs and 38–57"

Booster Weight: 9 lbs

Size: 26.5" H x 16.5" W x 15" D

Converts To Backless: Yes

UAS: Yes

Features: Height adjusts to 11 different positions and back expands to varying widths. Folds flat for easier packing.

Pros: “It’s very easy to install, especially with the latches. The many height and width adjustment options make it a breeze to get a good fit for a petite child like Emily, but would also be great for a taller child.”

Cons: “It would be great to see it more widely available in stores.”

Note: UAS stands for Universal Anchorage System. It refers to the in-car latches that the car seat’s metal hooks anchor to.

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