Sliding Glass Door Child Lock - OKEFAN 4 Pack Baby Safety Slide Window Locks for Kids Proof Patio Closet Doors No Drilling Tools Needed (Blue)

I am unsure how you can determine this beforehand but the lock is too thick for my sliding door. In the closed position, the door should be able to open and slider over it. So, open the package carefully and do not adhere to the glass until you check to make sure your door can still open when the safety lock is in the closed position.

Got these because we live in an apartment on the upper floor for windows and sliding door with my kids. They are so durable and heavy duty I can’t even get them back off the glass! Kids can’t get them off I love them!

I bought these when I had my granddaughters over. The youngest, now 2, is able to open our back slider even though it’s very heavy. We have a pool and no longer have a fence around it. Works like a charm and easy to install. The only drawback is that sometimes the door makes noise sliding over the closed latch.

Does its job very well. It was easy to install and easy to use.

I use this lock to help keep sliding patio door closed. I need to keep my mom with dementia from opening door and wandering outside or constantly letting pets in/out . I put it up high enough that she cant reach it. It adheres strongly to glass and was simple to install. Other locks required holes to be drilled or other complicated adjustments. This lock is basically peel and stick. The adhesive is good quality 3M. Super easy to lock/unlock for adult so it works in my situation only because mom is really short plus she doesnt realize lock is there. Would be good for toddlers but probably not for older children able to reach it somehow.

Works great! My kids can’t unlock the sliding door and it works to get intruders out.

Works well

The first time I tried to install this, I followed the instructions exactly. Shortly after, the lock fell down in between my sliding doors and got stuck. My sliding door wouldnt close with how it was stuck, and I had to use a spatula from the kitchen to shimmy the lock out. I tried a second one and held it in place for triple the time suggested on the instructions, which has seemed to hold okay this time.

Very easy to install, just make sure its at the right spot to keep the door from opening as wide as you want. I put the first one on and realized it allowed the door to open just enough for my little one to stick her finger in the crack, and I was unable to readjust, I just put another one up and figured Id leave to first as double security. They still kept my kiddo from opening the door, even after the kiddo repeatedly tried to pull the door open.

We had them for a year now and they work great. Highly recommend.