The 10 Best Plastic Window Locks (2022 reviews)

The Vision Hardware Plastic Window Lock is the most feature-rich lock on the market today. The vision hardware plastic window lock works well for good quality, It is made for easy fix and has a better design. Make sure this fits by entering your model number. Moreover, this works well with fit slot size and it fits well.

The lock fits perfectly, it works well for direct replacement and has a perfect design. In addition, the lock is made for quick delivery and it looks great. Lastly, the vision hardware plastic window lock fits a wide range of vinyl wall thickness.

Almost all buyers found that the lock fit andersen windows and also it is perfect fit works great. Also, a few strongly agree that the lock is a perfect replacement for missing stop. Overall, many have used the vision hardware plastic window lock for more than a few months without letup, and it shows no sign of giving up.

Customers say that getting a plastic window lock, along with lock is useful.

Top Customer Quotes:

It is great to replace these vent clips.
Be sure to check the dimensions in the attached drawing.
These fit on the side of the window in a precut slot.
Fit slot size: 1.875" x 0.285".

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Best For Great Price: Safetynex Plastic Window Lock

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The Safetynex Plastic Window Lock is capable of outshining several other locks featured in this list in overall features for the price point. The safetynex plastic window lock would be perfect with excellent quality, is very sticky, It is good for window lock security and has an elegant design. Enjoy a great baby proofing solution that won’t damage your furniture. The baby door lock and window latch need 8 mm clearance between the door or window gap.

Most importantly, the safetynex plastic window lock measures 3.5 inches by 3 inches.

Almost all customers opine that the lock will work on a screen door. In addition, they say that the lock is perfect for kids and dogs etc. Further, a few strongly agree that the lock is easy to install.seem very secure. In short, at the price, they believe that they got a steal of a deal with it.

Customers discovered that getting a old fashioned window lock, along with lock is useful.

Top Customer Quotes:

Don’t worry, you’re not alone in this.
Your life is about to get 10 times easier.
Keep your pets & toddlers out of trouble and danger.
Prevent your curious toddler from messing up your closet & pantry.

Best For Customer Service: Burglabar Plastic Window Lock

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The Burglabar Plastic Window Lock is capable of outshining several other locks featured in this list in overall features for the price point. The burglabar plastic window lock is safe, makes for easy installation and it does the job. Please leave for 72 hours to let adhesive stick properly to the glass before using. Also, the lock is almost invisible, it provides great value and has a compact design.

The lock is made from Lexan, which is a very strong transparent material using a special adhesive that bonds like a weld. Moreover, this is a unique self-locking hinge type lock designed to offer additional security protection for sliding patio doors and sliding windows. Finally, the burglabar plastic window lock works fine and has a great design.

Almost all buyers found that the lock is easy to see if sliding glass doors are locked or not as opposed to looking at and figuring out the handle locks. Moreover, they say that the lock design is an amazingly strong and effective safety measure for any sliding glass door. Further, they say that the lock is 100% burglar proof plus it has held up really well. Overall, for almost all buyers, Burglabar product was the most suitable.

Top Customer Quotes:

This works well if it is correctly installed.
These are practically invisible and so much better than a bar.
This is easy to use and nicer looking than the old stick trick.
This is the simplest and most effective way to secure a sliding glass door.

Best With Slider: Defender Security Plastic Window Lock

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The Defender Security Plastic Window Lock is capable of outshining several other locks featured in this list in overall features for the price point. The defender security plastic window lock is good for good quality and it is highly recommend. Finish by tightening the thumbscrew with pliers to securely lock windows in closed or ventilating positions. And, the lock comes with a nice natural finish.

The lock feels safe, is reasonable and it is great for easy fix. Most importantly, the defender security plastic windowlock allows for great fit and it is great for fast shipping.

Most customers opine that the lock is used to buy or make wood dowels for each window. And, they strongly agree that the lock will move with applied pressure. In addition, a few also found that the state lockdown so found this affordable and safe lock for all windows and sliding door.s. To sum up, buyers found this to be one of the best locks for daily purposes.

Customers discovered that getting a old fashioned window lock, with this lock made their life much easier.

Top Customer Quotes:

This is used for vinyl windows, fits well and it is made for quick delivery.
This does it’ssssss job and works well.
This will leave tiny indents/holes.
This is locked into place it doesn't move at all.

Best With Key: Window Wedge Plastic Window Lock

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The Window Wedge Plastic Window Lock's material feels more premium than its price would suggest. The window wedge plasticwindow lock is a registered brand of Cresci products, llc. Make sure this fits by entering your model number. The loop material easily attaches to the window frame ( see directions ) without the use of tools.

The lock is highly recommended and it works flawlessly. Above all, the window wedge plastic window lock fits well, is best for good fit, It is perfect for quick security aid and has a great design.

Almost all customers quickly discovered that the lock was good for kid's rooms. Further, a few say that the lock can someone forcibly open the window with this in place, but they would have to hit it a few times, making a good deal of noise.

Few customers bought double hung window safety lock, along with the lock.

Top Customer Quotes:

This will work on wooden sash windows.
This definitely fits the bill and it is designed for use on windows.
This is very inexpensive and it is a super strong adhesive.
This has been a really cost - effective and safe option.

Best For Sliding Window: Oyu Plastic Window Lock

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Oyu makes beautiful and great locks with classic and smartly chosen materials. The Oyu Plastic Window Lock provides enough friction between the lock and the track to ensure that the window will not slide open. The Manufacturer says: We check the integrity of the products before shipment, and there may be some minor scratches due to transportation. This adjustable lock for home is suitable for both windows and sliding doors.

Most importantly, the oyu plastic window lock comes with a plastic gasket, which can be placed between the window frame and the window lock to protect the window structure without leaving any scratches or damage.

Most buyers opine that the lock is easy to install and is the perfect added security for all types of sliding windows or doors. Also, a few say that the lock is easy to use, keeps the window locked in place. Moreover, they say that the key lock feature is nice but the plastic spacer gives extra work. In conclusion, the tone of buyers is very positive and we believe that the lock suits the purpose.

Customers found that buying a extra window lock, along with lock is useful.

Why We Like This:

This is made of solid aluminum alloy, anti-rust and anti-aging.
This works really well, it is rustproof and has a perfect design.
You can easily fix the window lock at any part with the vertical key.

Best For Premium Quality: Tahikem Plastic Window Lock

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a premium lock. The Tahikem plastic windowlock is exactly that - it's a simple lock that hits all the right notes. The Tahikem plasticwindow lock is great for customer service, has a lock in place and it is made with high-quality material. The Manufacturer says: We will reply within 24 hours. The window safety lock is made of aluminum alloy, durable and sturdy.

The lock looks great, it fits well and has a great design. Most importantly, the Tahikem Plastic Window Lock is equipped with a vertical key, which can be applied to the middle track of the window.

Most customers found that the lock is easy to use, tough for kids to mess with. Further, a few say that the lock is easy to install and hold well when they’re on. Further, a few strongly agree that the lock has a protector piece that goes between the bolt and the window to protect it from any damage. To sum up, many buyers have used the lock for more than a few months without letup, and it shows no sign of giving up.

Why We Like This:

This is used for vinyl windows and it measures your windows.
This match for white sliding windows, sliding doors and vertical doors.
It ensures your family members ' safety.
It is good quality and it has a strong grip.

Best For Wide Applications: Jetec Plastic Window Lock

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The Jetec Plastic Window Lock has killer features for the price point. The black plastic window lock is too long and passes through the edge of the window, The cutout on most windows has a square or rounded end on the inside. You will receive 12 pieces tilt latch pairs, including 6 left-hand locks and 6 right-hand locks, sufficient enough for your daily use and replacement, and you can share them with your relatives, neighbors, friends and so on. The latch assembly still slides easily and is flush with the edge of the window.

Above all, the jetec plastic window lock is made with sturdy quality and it is great for wide applications.

Customers say that buying a double hung window safety lock, along with lock is useful.

Why We Like This:

Good investment for the long term.
New and hot releases.

Best With Double Hung: Honoson Plastic Window Lock

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If you often find yourself scrambling for an appropriate and satisfactory lock, Honoson Plastic Window Lock should be your first option for buying. You will get 4 pairs of tilt latches, total 8 pieces, including 4 pieces left hands and 4 pieces right hands, enough for you to share with friends, family. Moreover, the lock is widely applied for single and double - hung vertical sliding sash panels and is designed to tilt inward and downward from the top for cleaning. Finally, the honoson plastic window lock is available in 2 different colors: white and black.

Customers say that getting a window locks for double hung window and plastic window lock, along with lock is useful.

Why We Like This:

Lot of satisfied buyers.
Delivers what they promise.

Best For High Quality Material: Mwellewm Plastic Window Lock

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The Mwellewm Plastic Window Lock's superior materials makes sure that it ages well with use. Also, this is best for high quality material, it allows for versatile usage and has a unique design. Make sure this fits by entering your model number. Finally, the mwellewm plastic window lock is suitable for single or double-hung vertical sliding windows.

Customers also discovered that its helpful to get a house window lock and window locks for double hung window, along with this lock.

Why We Like This:

You do not need to spend much time to get an intact window.
One of the newcomers and featured product.