AirFlowBaby By BreathableBaby Grey/ Silver Classic Polyester Mesh Crib Liner 11” Long Panel 11” H x 111” L Short Panel 11” H x 82” L Light weight, breathe-through mesh that allows maximal airflow. Helps prevent arms and legs from getting stuck between crib slats. For babies up to 12 months. Contains no harmful chemicals, flame retardants or formaldehyde.