OXO 6394300 Highchair
- Highchair
- Plastic, Foam Cushion
- Yes
- 70 pounds
- More reviewed than 88%
A plastic and foam highchair rated well past typical toddler weight limits, built for long term use rather than short term infant feeding alone.
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How it ranks among the 169 highchairs we track
4.6★ across 5,523 Amazon ratings, Bayesian-smoothed toward the category average.
5,523 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 169 highchairs we track - how the scorecard works · full highchairs data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The OXO 6394300 is a highchair built around a plastic frame with a foam seat cushion, rated to hold a child up to 70 pounds. That capacity sits well above typical infant highchair limits, suggesting a chair meant to keep working well into the toddler years.
The plastic and foam combination points to a wipeable shell paired with a cushioned insert for comfort. The listed 5 by 12 by 13.5 inch measurement does not read as a full highchair footprint, so it is left out of the claims here rather than stated as the chair's actual size.
- 70 lb weight capacity
- Plastic frame with foam cushion
- Portable
- Built for kid age range
Who it's for
Families wanting one highchair to last from early feeding through the toddler years, given the 70 pound rating. Less suited to anyone specifically shopping for an ultra-compact chair, since the higher capacity generally comes with a larger frame.
Strengths and trade-offs
Drawn from this product's published specifications.
- 70 lb weight capacity outlasts many infant chairs
- Foam cushion seat adds comfort
- Portable per the listing
- Full chair dimensions unclear from listing data
- Listed item weight of 3.7 lbs seems to describe a component, not the whole chair
Performance notes
A 70 pound capacity on a plastic frame implies a sturdier build than typical foam only seats, with the cushion layer added on top for comfort during long meals.
Specifications
| Brand | OXO |
|---|---|
| Model | 6394300 |
| Dimensions & fit | |
| Weight Capacity | 70 pounds |
| Item Weight | 3.7 pounds |
| Dimensions | 5 × 12 × 13.5 inches |
| Capacity & performance | |
| Age Range | Kid |
| Construction & materials | |
| Material | Plastic, Foam Cushion |
| Other details | |
| Portable | Yes |
Other OXO highchairs
How it compares
This product against the closest alternatives we track in highchairs.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| OXO 6394300 HighchairThis product | 4.6 / 5 | 5,523 | 4.5 / 5 |
| Hiccapop OmniBoost Travel Booster Seat with Tray for BabyHiccapop | 4.8 / 5 | 26,491 | 4.7 / 5 |
| Ingenuity 11787 HighchairIngenuity | 4.7 / 5 | 10,177 | 4.6 / 5 |
| Graco® 1927570 HighchairGraco® | 4.7 / 5 | 26,972 | 4.6 / 5 |
| Inglesina AY90F6BLKUS/D HighchairInglesina | 4.8 / 5 | 10,064 | 4.6 / 5 |
Similar highchairs from other brands
Questions about the OXO 6394300
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the weight capacity of the OXO 6394300?
It is rated for up to 70 pounds.
What is the highchair made from?
A plastic frame with a foam cushion seat.
Is it portable?
The listing marks it as portable.