Most children can't open them Children can open other items, they don't provide the security you need. Our zips require an adult to press the button on the side of the zip Easy to use - both men and women can easily open and close with one hand, using just two fingers to open the zip. To lock, simply press the release button on the side to close. Installation is very easy: no splicing tool is required, just stick to the door with the included glue No. 3. To remove the blockage, heat the 3M sticker with a hairdryer and it peels off easily without causing damage or marks to the door. Improved door lock function: no child can lock you out of your room. The only way to lock and unlock is by pressing a button. The lock on the door handle is made from upgraded ABS material (mixed with 20% PC for extra rigidity) and better 3M adhesive(17N/100MM) and will not be easily broken or damaged. Removed by children, in order to ensure a high level of safety for children. How to install Step 1 First clean the mounting grass, lock the position to the door and make sure the handle is in the middle, then mark the position with a pen. Step 2 Peel off the hearing protection film Step 3 Press firmly for approx. 10 seconds and finish Step 4 Stick the lock on the door surface in the position marked in the step. When your child is older: removing the lock from the door handle Many parents want to ensure that the security solution they choose is not only effective, but can be unlocked when their child is older, without losing their body. Share the following tipsfor removing the handle lock. During testing, the following instructions enabled us to avoid damage to the harness and the door. Remove all safety guards from the door locks. Lift the rope and move it from left to right. Products from NIUNIU's store