Door Knob Covers, 4 Set Parent Grip Door Knob Covers, Proof Doors Knob Covers for Elder, Round Door Knob Safe Cover for Ball Door Handle EASY OPERATION: This door handle cover is designed for adults to open doors easily, you just need to press two buttons and grab the knob. EASY TO INSTALL: This protective door handle cover is also easy to install and remove, just put it on the door handle and make sure the door closes properly. PROTECT YOUR CHILD: Cover our door handles to keep your kids out of these dangerous rooms or spaces, including bathrooms, pantries, kitchens, and more. Specification: Item Type: Child Proof Door Knob Covers Material:ABS Package List: 4 Set x Child Proof Door Knob Covers