PROTECT YOUR KIDS: Home is the most secure place for everyone, still, there are hidden risks for babies due to the babies love to have adventures at home. Child proof door knob covers can prevent babies from opening doors and entering the basement, storage room, and other places where danger easily occurs. THE LATEST DESIGN: The latest snap-on structure makes it difficult for babies to break apart but parents can use them safely on the door lock. Also Provides a separate cap for each lock button, which improves the practicality of doorknob safety covers. RELIABLE MATERIAL: Made of environmentally friendly PP material, odorless, non-toxic, non-polluting, and durable, can ensure the quality and longevity of the door knob covers. NO TOOLS NEEDED: Without tools, simply set 2 piece covers on the door knob and close them, the toddler door knob cover is in lock. There are no barriers for adults to use, just grab the door handle through the hole and turn the knob. PERFECT AFTER-SALES:We provide perfect after-sales, you have any questions can ask on the platform, we will reply you within 24 hours, to provide you with the perfect shopping experience.