Coco Mat from Natural Mat is the most breathable completely organic baby mattress * Filled with coir from the only certified organic coir plantation in the world to provide a breathable and supportive middle layer * Our unique lambswool wraps the coir layer and is bathed in a mixture of lavender, lemon and eucalyptus extracts rendering it completely dust mite free * Lambswool provides excellent thermal insulating keeping baby warm in cooler weather and cool in warmer weather * Outer organic cotton cover is removable and washable at 140 F to kills all bacteria and dust mites