Dreambaby Door Knob Covers are easy for adults to grip, squeeze and turn but too difficult for small children to operate. They snap easily onto most standard door knobs. No tools required. Easy to install, reuse and move around from room to room. Handy three-pack for multiple rooms. For added safety on door knobs with push-locking buttons, simply close lid over button to prevent door being accidentally locked. Each individual pack contains 3 Door Knob Covers, bundle of 6 packs, 18 Door Knob Covers total.