
Safety 1st OutSmart Flex Lock
White, 2 Pack
Price as of 2026-07-06. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$9
- Mid-range:$9–$17
- Premium:$17+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in guards and locks
- •Safety 1st loyalists — the brand spans 49 products in our database
- •You're on a tight budget — $4 above the category average of $15
- •Jool Baby Child Safety Strap Locks offers a better rating (4.5/5) at a similar or lower price ($8)
- •Jool Baby Child Safety Strap Locks — 57% cheaper at $8 (Score A+)
- •Safety Innovations (2- Pack) — higher rated at 4.7/5 ($16)
📊 Based on data analysis of 94 products in this category.
Mubboo Score: B
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 guards and locks
Computed from live Amazon rating, review count, and price across 94 guards and locks available to US consumers · last refreshed 2026-07-06.
How It Compares
This Product Safety 1st OutSmart Flex Lock | Most Popular Jool Baby Child Safety Strap Locks | Best Rated Safety Innovations (2- Pack) | Best Value Safety 1st OutSmart Child Proof Door Lever Lock | |
|---|---|---|---|---|
| Price | $18.74 | $7.99 | $15.95 | $8.99 |
| Rating | 4.4/5 | 4.5/5 | 4.7/5 | 4.7/5 |
| Reviews | 3,989 | 41,454 | 8,227 | 5,871 |
| Mubboo Score | B | A+ | B+ | A |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Clean all surfaces thoroughly before applying adhesive and let it set for several hours before stressing. Strap lock length is permanent once adjusted; door knob covers may not fit every knob shape.
- Easy tool-free installation
- Strong, lasting adhesive
- Effective child and pet proofing
- Versatile across many surfaces
- Easy for adults to operate
- Difficult to remove or leaves residue
- Precise installation and confusing instructions
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About Safety 1st
- 49 products in our database
- Average rating: 4.5/5 across all products
- Price range: $4.54 – $329.99
- Categories: activity-centers, Baby Bouncers, Baby Carriers, Baby Gates, Baby Thermometers, Baby Walkers
If not the OutSmart Flex Lock, consider these



Bottom Line
Safety 1st OutSmart Flex Lock earns Mubboo Score B. Priced at $19 — a premium option, above the category average of $15. Rated 4.4/5 from 3,989+ reviews. Strong buy if: buyers who prioritize quality over price in guards and locks, safety 1st loyalists. Skip if: you're on a tight budget — Jool Baby Child Safety Strap Locks (Score A+, $8) may fit better.
Frequently Asked Questions
Is the Safety 1st OutSmart Flex Lock worth buying in 2026?
It earns a Mubboo Score of B, with a 4.4/5 rating from 3,989 reviews — better than 44% of guards and locks we track.
How much does the Safety 1st OutSmart Flex Lock cost?
It is currently $18.74 — premium-tier pricing for guards and locks.
How does the OutSmart Flex Lock compare to other guards and locks?
The category's most-reviewed alternative is the Jool Baby Child Safety Strap Locks (4.5/5, 41,454 reviews, $7.99). The OutSmart Flex Lock carries a Mubboo Score of B vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
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 (2026-07-06) and may change.