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Safety 1st onBoard FLX

Photos - Car Seat Safety 1st onBoard FLX
Photos 9
Safety 1st onBoard FLX
Colour
Weight group
0+ (0 – 13 kg)
Age range
1 – 12 months
Installation
seat belt
LATCH
Installation
rear facing
Adjustments
backrest tilt
headrest height
belt height
Equipment
removable cover
anatomical cushion
sun canopy
Additional side protection
Harness type
5-point
Weight
3.6 kg
Official Website
safety1st.com
Added to E-Catalog
January 2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
How to choose a child car seatWe'll figure out how to choose a car seat that's appropriate for your child's age and what to look for when purchasing.

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Safety 1st OnBoard FLX Infant Car Seat Monument 4 IC379HLW

Amazon.com
Delivery: in USA
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$124.00

Safety 1st OnBoard FLX Infant Car Seat Wisteria Lane 2 IC379HLY

Amazon.com
Delivery: in USA
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$124.99

Safety 1st OnBoard LT Infant Car Seat - Monument 2

Give baby a comfortable, secure fit with the ultra-lightweight onBoard™ LT Infant Car Seat. Weighing less than 8 lbs., this s... moreeat is so easy to carry. The 4 harness heights are spaced just right to give your child a better fit from 4–30 lbs. The buckle adjusts two ways so that you can customize not only the length, but also the buckle’s position on your child. Smaller babies get the extra support they need with head and body inserts that can be removed as they grow. The seat is also designed with a reclined body position for a more secure ride. The harness adjusts easily from the front of the seat with one simple pull, and the base height adjusts for the right fit in your car. The car seat is compatible with all Safety 1st strollers that feature QuickClick™, which allows you to attach the infant car seat to your stroller with one simple click, making it easy to use the car seat and a stroller together as a travel system.
Target
Delivery: in USA
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$124.99

onBoard™ FLX Infant Car Seat - Wisteria Lane

Give baby a comfortable, secure fit with the ultra-lightweight onBoard™ FLX Infant Car Seat. Weighing less than 8 lbs., this... moreseat is so easy to carry. The 4 harness heights are spaced just right to give your child a better fit from 4–30 lbs. and up to 32". The buckle adjusts two ways so that you can customize not only the length, but also the buckle’s position on your child. Smaller babies get the extra support they need with head and body inserts that can be removed as they grow. The seat is also designed with a reclined body position for a more secure ride. The harness adjusts easily from the front of the seat with one simple pull, and the base height adjusts for the right fit in your car. The car seat is compatible with all Safety 1st strollers that feature QuickClick™, which allows you to attach the infant car seat to your stroller with one simple click, making it easy to use the car seat and a stroller together as a travel system.
Official partner Safety 1st
Safety1st.com
Delivery: in USA
Report
$129.99

onBoard™ FLX Infant Car Seat - Lake Blue

Give baby a comfortable, secure fit with the ultra-lightweight onBoard™ FLX Infant Car Seat. Weighing less than 8 lbs., this... moreseat is so easy to carry. The 4 harness heights are spaced just right to give your child a better fit from 4–30 lbs. and up to 32". The buckle adjusts two ways so that you can customize not only the length, but also the buckle’s position on your child. Smaller babies get the extra support they need with head and body inserts that can be removed as they grow. The seat is also designed with a reclined body position for a more secure ride. The harness adjusts easily from the front of the seat with one simple pull, and the base height adjusts for the right fit in your car. The car seat is compatible with all Safety 1st strollers that feature QuickClick™, which allows you to attach the infant car seat to your stroller with one simple click, making it easy to use the car seat and a stroller together as a travel system.
Official partner Safety 1st
Safety1st.com
Delivery: in USA
Report
$129.99
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