ST21A21A Stroller
- Stroller
- Umbrella Stroller
- Metal, Plastic, Polyester
- 50 pounds
- More reviewed than 91%
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How it ranks among the 176 strollers we track
4.3★ across 3,500 Amazon ratings, Bayesian-smoothed toward the category average.
3,500 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 176 strollers we track - how the scorecard works · full strollers data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
ST21A21A - a stroller.
Specifications
| Model | ST21A21A |
|---|---|
| Stroller Type | Umbrella Stroller |
| Material | Metal, Plastic, Polyester |
| Weight Capacity | 50 pounds |
| Item Weight | 13.23 pounds |
| Age Range | Infant, Toddler |
How it compares
This product against the closest alternatives we track in strollers.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| ST21A21A StrollerThis product | 4.3 / 5 | 3,500 | 3.7 / 5 |
| Graco® 2216004 StrollerGraco® | 4.8 / 5 | 9,000 | 4.6 / 5 |
| Graco 2140042 StrollerGraco | 4.6 / 5 | 5,100 | 4.4 / 5 |
| Ingenuity 32873 StrollerIngenuity | 4.3 / 5 | 23,200 | 4.4 / 5 |
| Kolcraft KL029-SLA1 StrollerKolcraft | 4.4 / 5 | 12,400 | 4.4 / 5 |
