AIRFLOW MESH: Made from airflow breathable mesh, without any padding to restrict airflow; Our carefully selected airflow mesh is highly permeable HELPS PREVENT ENTRAPMENT: Helps prevent arms and legs from getting stuck between crib slats; Keeps pacifiers inside and provides a visual shield to help provide a more peaceful night’s sleep EASY TO INSTALL: Smartly adjusts to fit four-sided slatted and solid-back cribs HELPS PREVENT ENTRAPMENT: Unlike padded crib bumpers, our mesh liners keep little limbs safely inside the crib without the risk of restricted airflow; And, also provide a visual shield to help provide a more peaceful night’s sleep; Not to mention, they keep pacifiers inside and within reach! Choose from three levels of protection to meet individual needs: Essential AirflowBaby (basic function), Classic (optimal function) and Deluxe (fashion + function)