The door latch cover has an unmarked adhesive backing that can withstand 15-20 pounds of tension to ensure that your baby cannot pull open the door latch cover. Remove the protective film from the adhesive backing and press it onto the safety latch. If you are renting an apartment, you don't have to worry about damaging the door. If you want to remove it, there will be no residue left on the lock surface, and it can be kept clean and brand new. Environmentally friendly and beautiful: The children's anti-theft door lock cover is made of environmentally friendly and harmless ABS material, with a sturdy shell and a smooth surface without edges and corners, which will not cause harm to your child. At the same time, the stylish black transparent design can meet personalized needs when installed in bathrooms, bedrooms, children's rooms, toy rooms, living room doors, etc. The size of the children's door handle safety cover is 3.14 * 1.57 * 1.57 inches, with an inner diameter of 1.57 inches, suitable for most standard door latches on the market. Please measure the size of your door latch before purchasing to prevent it from not being used.