---
product_id: 501513645
title: "Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs)"
brand: "zhoudashu"
price: "$1692"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/501513645-adjustable-window-security-bars-steel-window-locks-bars-inside-prevent
store_origin: MX
region: Mexico
---

# 12-step length adjustability Tool-free, tape-based install High-strength steel build Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs)

**Brand:** zhoudashu
**Price:** $1692
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind with style and ease!

## Quick Answers

- **What is this?** Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs) by zhoudashu
- **How much does it cost?** $1692 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/501513645-adjustable-window-security-bars-steel-window-locks-bars-inside-prevent)

## Best For

- zhoudashu enthusiasts

## Why This Product

- Trusted zhoudashu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** No tools needed—installs quickly with secure tape for vertical or sliding windows.
- • **Custom Fit Security:** Adjusts from 16.3" to 29.3" to perfectly secure most window tracks.
- • **Child-Safe Assurance:** Prevents accidental falls, keeping your family safe and sound.
- • **Versatile Protection:** Ideal for sliding windows, patio doors, and vertical frames—security that adapts.
- • **Unyielding Steel Defense:** Crafted from premium anti-rust steel for maximum burglary resistance.

## Overview

These Adjustable Window Security Bars offer a robust, steel-built barrier that extends from 16.3 to 29.3 inches, fitting most standard window tracks. Designed for easy, tool-free installation using tape, they provide reliable protection against forced entry and accidental falls, making them an essential safety upgrade for sliding and vertical windows alike.

## Description

We also have shorter window locks bars (9.8-16.7 inches) available for purchase in models B0C81LNV35, B0C81GZ123, B0C81N6W32.We have 1 PC/2 PCS/4 PCS for you to choose, economical and practical.The window locks security can withstand repeated impacts on forced entry, effectively stopping burglars from entering home through sliding glass windows or patio doors. The window guards for children can also prevent children from falling from the open windows, ensuring the safety of children/family. The window safety guards for home security offers 12 adjustable lengths for you to control the window, just push the pin to lock the height in place, the length of the window stopper can be extended from 16.3"" to 29.3"", fits most standard window tracks. The window bars security inside are made of high-quality steel, which is stronger and more durable than other similar products.  Installation instructions:1、For horizontal sliding windows, you can tape the window lock safety strip directly to the window frame, which will prevent the window from being opened; if you have a taller window, you can tape another window lock safety strip to the top of the window frame, which will balance the top and bottom. 2、For vertical windows, you can tape the end of the window stopper that has a protruding part, and then let the window lock safety bar stick to the top edge position of the window frame; to prevent the window stopper from falling, it is recommended that you tape the back of the window lock safety bar as well, and then stick the window lock safety bar to the window frame on one side of the window. If you have a long window, you can tape the window lock safety strip to both sides of the window frame for left-right balance. Note:Please measured your window or door track before purchasing! The window blocker security is 1 inch wide so that make sure your window or door track must be at least 1 inch wide.

## Features

- 【Window Locks Security】：The window security bars can be easily adjusted to the ideal width. Security bars for windows can withstand repeated impacts on forced entry, effectively stopping burglars from entering home through sliding windows or patio doors. The sliding window locks can also prevent children from falling from the open windows, ensuring the safety of children/family.
- 【Length Adjustable】：The window locks security bar offers 12 adjustable lengths for you to control the window, just push the pin to lock the height in place, the length of the window safety bars can be extended from 16.3" to 29.3", fits most standard window tracks.
- 【Hight Quality】：The security bars for inside windows are made of high-quality steel, which is stronger and more durable than other similar products, strong and smooth, and has the characteristics of anti-rust, anti-oxidation, non-deformation, and non-fading.
- 【Easy to Install】：The burglar bars for inside windows is suitable for vertical windows, sliding windows and patio doors, you can put it directly on the window or door track of sliding windows and patio doors without any tools, if it is a vertical window, you need to fix it with tape on the vertical window track, easy to install.
- 【Kind tips】：Please measured your window or door track before purchasing! The window stoppers for sliding windows is 1 inch wide so that make sure your window or door track must be at least 1 inch wide.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ZhouDaShu |
| Part Number | window locks security bar |
| Item Weight | 2.76 pounds |
| Product Dimensions | 16.33 x 1 x 2 inches |
| Item model number | window locks security bar |
| Size | 16.3-29.3 in-2 Pcs |
| Color | White |
| Material | Metal |
| Item Package Quantity | 1 |
| Included Components | 2 Window Security Bar |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs) - Image 1](https://m.media-amazon.com/images/I/51So1kwys5L.jpg)
![Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs) - Image 2](https://m.media-amazon.com/images/I/81x+mTPG7vL.jpg)
![Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs) - Image 3](https://m.media-amazon.com/images/I/61xZidvYcAL.jpg)
![Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs) - Image 4](https://m.media-amazon.com/images/I/71RkSmuofvL.jpg)
![Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs) - Image 5](https://m.media-amazon.com/images/I/6189vhLmV0L.jpg)

## Available Options

This product comes in different **Size Name, Color Name** options.

## Frequently Bought Together

- ZhouDaShu Adjustable Window Security Bars (Steel), Window Locks Bars Inside for Prevent Burglary, Window Stoppers for Vertical/Sliding Windows, Window Safety Bars Extends from 16.3-29.3 Inch(2 pcs)
- AceMining Upgraded Door Security Bar & Sliding Patio Bar, Heavy Duty Stoppers Adjustable Jammer for Home, Apartment, Travel (1 Pack,White)
- DIIG Sliding Door Security Bar，17.7-50.5inch Adjustable Locking Window Safety Bar with Rubber Tips,Diameter 1inch Window Security Bar for Home Apartment （White）

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.mx/products/501513645-adjustable-window-security-bars-steel-window-locks-bars-inside-prevent](https://www.desertcart.mx/products/501513645-adjustable-window-security-bars-steel-window-locks-bars-inside-prevent)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-21*