Abstract: A crib liner is provided. The crib liner may include a plurality of panels formed of a rigid material. The plurality of panels may include a first side panel, a second side panel, a first end panel and a second end panel. The plurality of side panels may be secured together to form a rectangular shape sized to fit within a crib such that the panels are adjacent to the crib's slats. A plurality of slots, holes or openings may be formed through the panels having a width smaller than a distance between each of the slats of the crib.