chapas para puertas interiores
Skip itA small market ($93K/yr) — this niche doesn't clear our bar today.
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Avg price
Good$12.99avg listing price — sweet spot $15–$100
Price range
Okay$7.08–$21.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.8%return rate — above 6% kills the launch gate
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Growth
Okay+4.8%90-day search growth — must beat 0% to launch
Review moat
Okay3,487.88avg incumbent reviews — the moat a new listing must climb
Market size
Bad$93K$93K/yr · 90K searches
Competition
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
27
Top-5 brand share
84%
Open market
12%
- Wappa Baby50%
- Safety 1st13%
- Inaya10%
- Tuut6%
- Flowden5%
- PENMAMA4%
- Open — no brand owns it (6 brands, 12%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Door Lever Lock (2 Pack) Prevents Toddlers from Opening Doors Easy One-Hand Operation for Adults Durable ABS with 3M Adhesive Backing No Tools Needed for Install
Wappa Baby$12.974.6★9,641 rev
Safety 1st OutSmart Child Proof Door Lever Lock White 1 Count
Safety 1st$12.484.7★5,869 rev
Door Lever Locks (4 Pack) - Prevents Toddlers from Opening Doors - Durable ABS with 3M Adhesive - Easy One-Hand Operation for Adults No Tools Needed
Wappa Baby$18.494.6★6,331 rev
Inaya Child Proof Door Lever Lock Baby Proofing Door Handle Lock Minimalist Design 3M Adhesive & No DrillingNeed Child Safety Door Handle Locks (2 Pack)
Inaya$9.434.4★3,466 rev
Door Lever Lock Child Proof Doors & Handles Adhesives - Child Safety By Tuut (2 Pack)
Tuut$12.754.6★13,839 rev
Newest
by launch date
THREADFLOW Door Lever Lock Child Proof PACK Of 4 No Drilling Door Handle Baby Proof Locks - Lever Doors Handle Child Locks ABS Material With Strong 3M Adhesive
THREADFLOW$7.0836 rev
2 Pack Snap-On Door Lever Safety Locks for Baby and Kids Child Door Handle Lock Without Drilling Baby Proof Security Lock-No Tools Required((White-2Pack)
WILZEIMY$7.26118 rev
Keyed Door Handle Lockout Device Cover with Code to Disable Access to Keyhole Combination Lock for Bedroom from Outside Only Fits Handle Lock with Long Connecting Shaft Please Measure Before Order
PUGED$18.3844 rev
Huglock - The Snap-On Door Lock Kids Cant Reach or Defeat - No Tools or Adhesives Required - Works With Door Knob Lever or Handle - Childproof Safety Locks are Toddler Baby and Child Proof (1 Pack)
SnapPower$19.701,183 rev
Child Proof Door Lever Lock(6 Pack) - Baby Proofing Door Handle Lock 3M Adhesive & No DrillingNeed Minimalist Design Child Safety Door Handle Locks
UKSKS$9.9589 rev
Trending
90-day click momentumTHREADFLOW Door Lever Lock Child Proof PACK Of 4 No Drilling Door Handle Baby Proof Locks - Lever Doors Handle Child Locks ABS Material With Strong 3M Adhesive
THREADFLOW$7.084.8★
2 Pack Snap-On Door Lever Safety Locks for Baby and Kids Child Door Handle Lock Without Drilling Baby Proof Security Lock-No Tools Required((White-2Pack)
WILZEIMY$7.264.6★
Child Proof Door Lever Lock(6 Pack) - Baby Proofing Door Handle Lock 3M Adhesive & No DrillingNeed Minimalist Design Child Safety Door Handle Locks
UKSKS$9.954.7★
Safety 1st OutSmart Child Proof Door Lever Lock White 1 Count
Safety 1st$12.484.7★
Door Lever Lock (2 Pack) Prevents Toddlers from Opening Doors Easy One-Hand Operation for Adults Durable ABS with 3M Adhesive Backing No Tools Needed for Install
Wappa Baby$12.974.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.8% search growth over the last 90 days.Peak months: Jun · busiest ÷ quietest = 2.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“These locks are great”
“Easy to use”
“Just as advertised”
“The product is well made”
“Easy to set up”
“Money well spent”
“Adheres well and works perfectly”
“Safe”
“Its safe for kids”
“Sturdy build”
What buyers complain about
“it was a 1/4 inch too short”
“Device did not work”
“Poor Adhesive”
“And wouldn't latch”
“Did not work on any of my doors”
“A little expensive”
“broke easily”
“its difficult to get them open”
“Cheap quality and broke easily”
“Broke very easily”