Costzon BB4640 Highchair
- Highchair
- No
- 40 pounds
- 19.18 pounds
- Better rated than 68%
- More reviewed than 80%
A stationary 40 pound capacity highchair, not built for portability, standing 36 inches tall and best suited to a fixed spot at the table rather than a chair you fold and store.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 169 highchairs we track
4.7★ across 1,800 Amazon ratings, Bayesian-smoothed toward the category average.
1,800 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand 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 Costzon BB4640 is a stationary highchair rated for babies up to 40 pounds, measuring 21 by 26 by 36 inches and weighing about 8.7 kilograms, roughly 19 pounds, itself.
At about 19 pounds it is heavier than a fold-flat travel highchair, and the listing marks it as not portable, so this reads as a chair meant to stay put in the kitchen or dining area rather than one you fold away or take on trips.
- 40 lb weight capacity
- 21 x 26 x 36 inch footprint
- 8.7 kg item weight
- Non-portable, stationary design
Who it's for
Households wanting a stationary highchair for daily use at home, up to the 40 pound limit. Not suited to anyone wanting a lightweight, foldable or travel highchair.
Strengths and trade-offs
Drawn from this product's published specifications.
- 40 pound weight capacity covers most of the highchair years
- Sturdy stationary build
- Not portable, no fold-flat option
- At 8.7 kg, heavier to move between rooms than a travel chair
Performance notes
With a fixed, non-folding build and nearly 19 pounds of its own weight, the chair trades portability for a sturdier stationary base at the dining table.
Specifications
| Brand | Costzon |
|---|---|
| Model | BB4640 |
| Portable | No |
| Weight Capacity | 40 pounds |
| Item Weight | 19.18 pounds |
| Dimensions | 21 × 26 × 36 inches |
| Age Range | Baby |
How it compares
This product against the closest alternatives we track in highchairs.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Costzon BB4640 HighchairThis product | 4.7 / 5 | 1,800 | 4.0 / 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 Costzon BB4640
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the Costzon BB4640 fold up for storage or travel?
No, it is listed as not portable.
What is the weight limit?
40 pounds.
How much does the chair itself weigh?
About 8.7 kilograms, roughly 19 pounds.