Safety 1st onBoard 35 Air Baby Car Seat

The Air Protect system allows air to escape from the headrest: channeling more crash energy away from your child.

By Safety 1st

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Description & Features+

Safety 1st helps you to start your little one off on the right road with the onBoard™35 air featuring Air Protect® side impact technology, bringing advanced protection to an easy-to-transport infant car seat. With additional leg room and a harness specially designed to fit smaller babies, the onboard™35 air easily accommodates the growing baby in a rear-facing position from a tiny 4 lbs. on up to 35 pounds. Our specially designed Carry Curve™ handle ensures a comfortable move for both you and your baby between the car and wherever you need to go!
About Air Protect® : The Air Protect system works to protect your child in two vital ways. In a side impact collision, air protect immediately safeguards your child by diminishing the forces of the crash. In a second layer of defense, the system allows air to escape from the headrest: channeling more crash energy away from your child. It is this double layer of protection that makes air protect technology unique.
• Rear facing 4-35 lbs and up to 32 inches in height
• Featuring air protect®advanced side impact protection
• The advanced air cushion system protects your child’s head, where it’s needed most in a side impact crash
• Extended use from a tiny 4 lbs to 35 lbs
• 14" seat depth means additional leg room for baby's comfort
• Customizable insert and low harness slots make the seat ideal for tiny travelers and adjustable for growing babies
• Carry Curve™ handle features ergonomic design
• Dual-zone level to ground indicator
• 5 position adjustable base
• One click mini connector UAS installation system
• Removable, machine-washable pad
• Airplane ready


Available for Shipping to Canada Post
Car seat weight (kg)
Child Weight Maximum (kg)
16 kg
Child Weight Minimum (kg)
1.8 kg
Model Number
Rear facing
Product Type
Not Applicable
Walmart Exclusive
Safety 1st
Product Identifiers
Walmart Item #
30527308, 31329806
Model #

Return Policy+

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You can return this item within 90 days from the day you receive your online order.

There are two easy ways to return this item:

  • Return this item to a Walmart store
  • Return this item by mail

From the Manufacturer +

Ratings & Reviews+

Safety 1st onBoard 35 Air Baby Car Seat is rated 3.8 out of 5 by 6.
Rated 5 out of 5 by from Love it Purchased this for my second child who isn't born yet but it's very easy to change the straps around, easy to take out and put into the base, and the cushioning of the carseat is very soft, seems like baby will be very comfy in there. The picture on Walmart's site doesn't do it justice, its a very nice seat. I had a Safety 1st carseat for my first child and loved it so Im assuming this one will be the same.
Date published: 2017-04-30
Rated 4 out of 5 by from Nice seat, but heavy I bought this seat in August and it has been a very good seat. I had been using a Graco seat. This seat is a lot heavier, but it has much more padding and the side supports for the head give me more confidence for his safety in the event of a side impact accident. He is now almost 16 pounds and we find the seat doesn’t have a lot of space. Especially when we get his little “snowsuit” on him. The Graco seat clipped onto our old Safety 1st stroller and this one does not. The Graco seat was significantly lighter. This seat has better padding and seems like it would offer more safety. The fabric on this seat also is superior to the Graco.
Date published: 2017-12-27
Rated 4 out of 5 by from Easy to use and install Simple to use and install. The only problem is that it is very difficult to find universal adapters that fit for strollers.
Date published: 2017-10-20
Rated 4 out of 5 by from Baby seems to be super comfortable. All together I bought 3 car seats for my daughter. First was a evenflo infant car seat and I hated it. Second was a grace and it was ok but I was not satisfied with how my daughter seemed to be uncomfortable. Then I bought this one and fell in love. It seems to be extremely comfortable and solid. It's a bit heavy but I would rather a car seat on the heavier side, makes me feel as though it's tougher and withstand a crash if it was to ever happen.. I highly recommend this car seat.
Date published: 2017-08-29
Rated 1 out of 5 by from Doesn't have a belt Lock off Walmart product description said it has a "Base belt Lock off [that] easily secures your vehicle seat belt during installation". But it doesn't. Returned it.
Date published: 2017-04-14
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