specification: Item Type: Child Proof Door Knob Covers_x000D_Material:ABS Features: 1Simple Operation: Specially designed to make it easy for adults to open the door, all you have to do is press two buttons and grab the knob. 2Easy to Install: Baby proof door knob covers are also easy to install and remove, just put it on the door handle and make sure the door is closed properly. 3Protect Your Child: Cover our door handles to keep your kids out of these dangerous rooms or spaces, including bathrooms, pantries, kitchens, and more. 4ABS Material: Baby door lock is made of ABS material, which is wear resistant and durable, and can be used for a long time. 5Compatible: Designed to be compatible with standard ball door handles, it also blends perfectly with your home decor. PackageList: 4 Set x_x000D__x000D_ChildProofDoorKnobCovers