Reddit reviews Door Knob Safety Cover for Kids, Child Proof Door Knob Covers, Baby Safety Doorknob Handle Cover Lockable Design. (4 Pack)

FUNCTION: Safety Door Knob Covers help keep your children safe by preventing them from opening doors or getting locked in a room.BIGGER SIZE: Compatible with standard spherical doorknobs. Bigger size covers fit more door knobs than any competing product.SAFER DESIGN: Polypropylene fiber material, which is odourless, non-toxic, non-polluting and stronger to prevent children from getting hurt.EASIER USE: Tool free, upgraded snaps are easier to assemble. Strong snaps and double protection lock are hard for child to remove.DIFFICULT FOR CHILDREN TO OPEN: Adults can easily open the door with one hand, while it is difficult for child to open.