Why you need it: Are you concerned that your child might accidentally lock themselves in a room while playing? Worried about the risks of doors being locked by children or pets when unsupervised? With our childproof door lock cover, you can install a rotating back-lock safety deadbolt and prevent accidental operation by young children. Keep your baby safer and gain peace of mind knowing the door wont be locked unintentionally.Hidden switch design difficult for children to operate: This door knob cover requires fingers to press the button inward and then slide it upward to unlock, making it easy for adults to openeven with one hand while holding a child or carrying items. However, the mechanism is challenging for young children to understand, effectively preventing them from locking themselves inside a room and reducing the risk of panic or danger if help is needed.Simple installation no tools required: The deadbolt cover features a strong, non-marking adhesive backing that resists pulls of 1520 pounds, ensuring children cannot remove it. Simply peel off the protective film and press firmly onto the deadbolt latch. Ideal for rentersno drilling or permanent modifications needed. When removal is necessary, it comes off cleanly without residue, preserving the locks appearance.Environmentally friendly and stylish: Made from high-quality, eco-friendly ABS material, this cover has a durable shell with a smooth, edge-free surface that wont harm children. The sleek black and transparent design blends seamlessly into various home interiors. Perfect for use on bathroom, bedroom, childrens room, playroom, or living room doorscombining safety with modern aesthetics.Strong applicability: Includes four protective covers to secure multiple doors throughout your home. Each cover measures 3.14 x 1.57 x 1.57 inches with an inner diameter of 1.57 inches, fitting most standard deadbolts. Please measure your deadbolt before purchasing to ensure compatibility.