---
title: "sliding door lock — Niche Verdict: Launch it (60/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/sliding-door-lock"
last_updated: "2026-07-13T22:26:47.698Z"
locale: en
meta:
  description: "sliding door lock clears our launch bar: a $1.4M/yr market growing +13.3% this quarter with returns at 5.0%."
  "og:description": "sliding door lock clears our launch bar: a $1.4M/yr market growing +13.3% this quarter with returns at 5.0%."
  "og:title": "sliding door lock — Niche Verdict: Launch it (60/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **sliding door lock**

**Launch it**

A $1.4M/yr market growing +13.3% this quarter with returns at 5.0% — clears our launch bar.

Market size 84Growth 42Conversion 54Competition 62Returns 33Price range 69Avg price 77Brand share 77Review moat 38Quality gap 60

**Market size**

**Great****$1.4M**

$1.4M/yr · 1.9M searches

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****$15.75**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$4.18–$38.82**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Competition**

**Good****48%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.5%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Okay****+13.3%**

90-day search growth — must beat 0% to launch

**Review moat**

**Okay****2,707.55**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****5.0%**

return rate — above 6% kills the launch gate

## **Competition**

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**22 **▲rising

**Sellers**

**68**

**Top-5 brand share**

**58%**

**Open market**

**35%**

- ZRFCXE23% - AceMining10% - STERGDE8% - WINONLY8% - PRIME-LINE8% - HauSun7%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$68K10%$136K15%$204K20%$272K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 31 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Sliding Door Lock 2 Pack Safety Sliding Glass Door Lock for Sliding Glass Doors Sliding Windows Sliding Closet etc. Adhesive Installation Provides More Security for Your Family and Pets](https://m.media-amazon.com/images/I/31Qm+fHeEIL.jpg)**Sliding Door Lock 2 Pack Safety Sliding Glass Door Lock for Sliding Glass Doors Sliding Windows Sliding Closet etc. Adhesive Installation Provides More Security for Your Family and Pets**ZRFCXE**$10.02**4.6★3,043 rev](https://www.amazon.com/dp/B0D76CL8L8) [2![AceMining Sliding Door Security Bar Heavy Duty Sliding Patio Door Lock Bar 20-50inch Adjustable Multi-use Window Security Bars Sliding Door Stopper White 1Pack](https://m.media-amazon.com/images/I/41RA90+NRoL.jpg)**AceMining Sliding Door Security Bar Heavy Duty Sliding Patio Door Lock Bar 20-50inch Adjustable Multi-use Window Security Bars Sliding Door Stopper White 1Pack**AceMining**$16.79**4.6★1,651 rev](https://www.amazon.com/dp/B0D9NPFRH7) [3![Sliding Door Locks 2-PackPrevents sliding doors from being opened; extra safety device for sliding doors; adhesive mount; fits glass sliding doors sliding windows sliding wardrobes etc. (Blue)](https://m.media-amazon.com/images/I/41J-+Y1LVKL.jpg)**Sliding Door Locks 2-PackPrevents sliding doors from being opened; extra safety device for sliding doors; adhesive mount; fits glass sliding doors sliding windows sliding wardrobes etc. (Blue)**STERGDE**$8.36**4.6★424 rev](https://www.amazon.com/dp/B0FQPGBNSW) [4![Sliding Door Lock Window Locks for Patio Sliding Glass Door Foot Locks for Front Door Security Bar Stoppers Top Horizontal Childproof Keyless Safety Lock from Inside Home Apartment Hotel Essentials](https://m.media-amazon.com/images/I/41EA7kysDTL.jpg)**Sliding Door Lock Window Locks for Patio Sliding Glass Door Foot Locks for Front Door Security Bar Stoppers Top Horizontal Childproof Keyless Safety Lock from Inside Home Apartment Hotel Essentials**WINONLY**$11.45**4.3★300 rev](https://www.amazon.com/dp/B0DYJRPY19) [5![ZRFCXE Window Locks 4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors Easv to Install Adjustable Security Window Lock for Patio Bedroom Home and Office (Black)](https://m.media-amazon.com/images/I/415CdgteWtL.jpg)**ZRFCXE Window Locks 4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors Easv to Install Adjustable Security Window Lock for Patio Bedroom Home and Office (Black)**ZRFCXE**$10.09**4.5★4,747 rev](https://www.amazon.com/dp/B0DBV8T3RB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![LATIBELL 2 Pack Sliding Door Lock Sliding Glass Door Window Locks for Child Safety Security Locks for Sliding Doors Sliding Windows and Closets Easy Adhesive Install for Patio - Baby Proofing](https://m.media-amazon.com/images/I/41RbVB7ru8L.jpg)**LATIBELL 2 Pack Sliding Door Lock Sliding Glass Door Window Locks for Child Safety Security Locks for Sliding Doors Sliding Windows and Closets Easy Adhesive Install for Patio - Baby Proofing**LATIBELL**$6.46**1,229 rev5mo ago](https://www.amazon.com/dp/B0GKP2DCKM) [![Sliding Door Security Bar 17-50 inch Adjustable Window Security Bar with Rubber Tips Sliding Door Lock Bars for Window Safety Bars Home Apartment Safety Home Apartment Patio Heavy Duty Interior](https://m.media-amazon.com/images/I/31l2Qm0hiaL.jpg)**Sliding Door Security Bar 17-50 inch Adjustable Window Security Bar with Rubber Tips Sliding Door Lock Bars for Window Safety Bars Home Apartment Safety Home Apartment Patio Heavy Duty Interior**Povtulu**$12.00**254 rev7mo ago](https://www.amazon.com/dp/B0FW3CPWW3) [![2-Pack Sliding Door Lock for Sliding Glass Doors & Windows - Security Child Proof Sliding Glass Door Lock](https://m.media-amazon.com/images/I/41Br2-mzRNL.jpg)**2-Pack Sliding Door Lock for Sliding Glass Doors & Windows - Security Child Proof Sliding Glass Door Lock**HomeBrella**$4.21**106 rev9mo ago](https://www.amazon.com/dp/B0F3ZPM1T1) [![PBHEPJ Sliding Door Security Bar 18.5-51 inch Adjustable Patio Door Security bar with Rubber Tips Multi-use Window Security Bars Sliding Door Stopper White 1 Pack](https://m.media-amazon.com/images/I/51cCXRMSvrL.jpg)**PBHEPJ Sliding Door Security Bar 18.5-51 inch Adjustable Patio Door Security bar with Rubber Tips Multi-use Window Security Bars Sliding Door Stopper White 1 Pack**PBHEPJ**$10.94**182 rev9mo ago](https://www.amazon.com/dp/B0FR8YQDRB) [![Sliding Door Lock Window Locks for Patio Sliding Glass Door Foot Locks for Front Door Security Bar Stoppers Top Horizontal Childproof Keyless Safety Lock from Inside Home Apartment Hotel Essentials](https://m.media-amazon.com/images/I/41EA7kysDTL.jpg)**Sliding Door Lock Window Locks for Patio Sliding Glass Door Foot Locks for Front Door Security Bar Stoppers Top Horizontal Childproof Keyless Safety Lock from Inside Home Apartment Hotel Essentials**WINONLY**$11.45**300 rev1y ago](https://www.amazon.com/dp/B0DYJRPY19)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![LATIBELL 2 Pack Sliding Door Lock Sliding Glass Door Window Locks for Child Safety Security Locks for Sliding Doors Sliding Windows and Closets Easy Adhesive Install for Patio - Baby Proofing](https://m.media-amazon.com/images/I/41RbVB7ru8L.jpg)**LATIBELL 2 Pack Sliding Door Lock Sliding Glass Door Window Locks for Child Safety Security Locks for Sliding Doors Sliding Windows and Closets Easy Adhesive Install for Patio - Baby Proofing**LATIBELL**$6.46**4.6★**▲ 233%**](https://www.amazon.com/dp/B0GKP2DCKM) [![Sliding Door Child Safety Lock: 2-Pack for Glass/Patio Doors Windows & Closets 3-Second No-Tools Installation Durable Childproof Security Lock for Lasting Protection - Baby to Kid Safety Age 0-4](https://m.media-amazon.com/images/I/41QkCeM8xML.jpg)**Sliding Door Child Safety Lock: 2-Pack for Glass/Patio Doors Windows & Closets 3-Second No-Tools Installation Durable Childproof Security Lock for Lasting Protection - Baby to Kid Safety Age 0-4**LAZY CAT ISLAND**$9.85**4.8★**▲ 227%**](https://www.amazon.com/dp/B0GJRZ49HD) [![OKEFAN 4 Pack Sliding Door Lock Child Safety (Blue)](https://m.media-amazon.com/images/I/41sSyCaxxbL.jpg)**OKEFAN 4 Pack Sliding Door Lock Child Safety (Blue)**OKEFAn**$8.41**4.4★**▲ 146%**](https://www.amazon.com/dp/B00XLDIE9W) [![Sliding Door Security Bar 17-50 inch Adjustable Window Security Bar with Rubber Tips Sliding Door Lock Bars for Window Safety Bars Home Apartment Safety Home Apartment Patio Heavy Duty Interior](https://m.media-amazon.com/images/I/31l2Qm0hiaL.jpg)**Sliding Door Security Bar 17-50 inch Adjustable Window Security Bar with Rubber Tips Sliding Door Lock Bars for Window Safety Bars Home Apartment Safety Home Apartment Patio Heavy Duty Interior**Povtulu**$12.00**4.5★**▲ 98%**](https://www.amazon.com/dp/B0FW3CPWW3) [![2-Pack Sliding Door Lock for Sliding Glass Doors & Windows - Security Child Proof Sliding Glass Door Lock](https://m.media-amazon.com/images/I/41Br2-mzRNL.jpg)**2-Pack Sliding Door Lock for Sliding Glass Doors & Windows - Security Child Proof Sliding Glass Door Lock**HomeBrella**$4.21**4.4★**▲ 84%**](https://www.amazon.com/dp/B0F3ZPM1T1)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +13.3% search growth over the last 90 days.

70K50KSpike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 1.8×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Assembly/Installation**12%

*“Easy assembly”*

**Locking Mechanism**12%

*“Locks and stays locked”*

**Quality-Overall**11%

*“Amazing quality”*

**Ease Of Use**9%

*“Easy to apply, works great”*

**Strength**8%

*“Worked well and surprisingly strong hold”*

**Security**7%

*“makes me feel secure”*

**Advertised Vs Actual Product**7%

*“As advertised”*

**Efficiency**6%

*“Works Great”*

**Value For Money**5%

*“Great value”*

**Size-Overall**5%

*“Fit well, works as required”*

### **What buyers complain about **

**Durability**11%

*“Broke within an hour”*

**Locking Mechanism**10%

*“the locking mechanism doesnt work at all”*

**Size-Overall**8%

*“Its too short”*

**Quality-Overall**6%

*“Bad quality”*

**Assembly/Installation**6%

*“Difficult to install”*

**Functionality-Overall**5%

*“Product came not working right”*

**Strength**5%

*“Not very sturdy”*

**Adhesion/Stickiness**4%

*“Adhesive sucks”*

**Ease Of Use**4%

*“hard to operate”*

**Thickness**3%

*“Was much thinner than expected”*

### **Top return reasons **

**Size-Overall**49%

**Compatibility-Overall**10%

**Functionality-Overall**7%

**Locking Mechanism**6%

**Advertised Vs Actual Product**4%

**Defective Material/Parts**4%

**Mechanism Issues**3%

**Thickness**3%

**Adhesion/Stickiness**2%

**Assembly/Installation**2%