Cosco Topside Backless Booster Car Seat
Lightweight Booster Seats for Cars 40-100 lbs, Backless Booster Seat for Car, Leo
Price as of 2026-06-20. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Budget-conscious shoppers — priced below 99% of Baby Car Seats
- •Risk-averse buyers — 14,853+ reviews give a highly reliable picture
- •Top 5% bestseller in Baby Car Seats — proven market demand
- •Graco TurboBooster 2.0 Backless Booster Car Seat — higher rated at 4.8/5 ($40)
📊 Based on data analysis of 84 products in this category.
Mubboo Score: A+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Baby Car Seats
Computed from live Amazon rating, review count, and price across 84 Baby Car Seats · last refreshed 2026-06-20.
How It Compares
This Product Cosco Topside Backless Booster Car Seat | Most Popular Graco TurboBooster 2.0 Backless Booster Car Seat | Best Rated Chicco GoFit ClearTex Backless Booster Car Seat | Best Value Hiccapop UberBoost Inflatable Booster Car Seat | |
|---|---|---|---|---|
| Price | $22.99 | $39.99 | $54.99 | $39.99 |
| Rating | 4.7/5 | 4.8/5 | 4.8/5 | 4.6/5 |
| Reviews | 14,853 | 11,457 | 8,131 | 7,484 |
| Mubboo Score | A+ | A+ | A+ | A+ |
About Cosco
- 9 products in our database
- Average rating: 4.6/5 across all products
- Price range: $22.99 – $288.34
- Categories: activity-centers, Baby Car Seats, game-and-recreation-room-furniture, High Chairs, Step Ladders, Play Yards
Other Baby Car Seats
Bottom Line
Cosco Topside Backless Booster Car Seat earns Mubboo Score A+. Priced at $23 — a budget-friendly option, below the category average of $223. Rated 4.7/5 from 14,853+ reviews. Strong buy if: budget-conscious shoppers, risk-averse buyers.
Frequently Asked Questions
Is the Cosco Topside Backless Booster Car Seat worth buying in 2026?
It earns a Mubboo Score of A+, with a 4.7/5 rating from 14,853 reviews — better than 68% of Baby Car Seats we track.
How much does the Cosco Topside Backless Booster Car Seat cost?
It is currently $22.99 — budget-tier pricing for Baby Car Seats.
How does the Topside Backless Booster Car Seat compare to other Baby Car Seats?
The category's most-reviewed alternative is the Graco TurboBooster 2.0 Backless Booster Car Seat (4.8/5, 11,457 reviews, $39.99). The Topside Backless Booster Car Seat carries a Mubboo Score of A+ vs A+.
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-20) and may change.