DESC: - KidCo 2-pk. Doorknob Lock Lock in safety for your tot. This innovative design fits all standard doorknobs, keeping your child away from off-limits closets and rooms. Featuring pinch-grip panels on each side for easy adult use. With snap-together installation. A hinged tab masks the keyhole. Plus, it includes an additional doorknob lock, so you can childproof two of your household doors! 2-pack Fits all standard doorknobs Model no. S352