Myard DELUXE Country Oak Fire Gas Log Sticks (LOGS ONLY) for Natural Gas/Liquid Propane Fireplace or Pit (7 STICKS) HEAVY DUTY, not foamed alumina ceramic or glass (light & fragile). The logs are steel reinforced, plus produced with lave granules plus significant heat ceramic refractory which is employed to check rocket machines. For sizes, please see SECOND image. This log set is suitable for Fire Pit with diameter less than 20". Designed to be Used With Vented Gas Log Systems. Highly detailed, hand painted refractory firelogs. By 3 generations of designers, logs are designed, hand painted with a 7 step processes, manufactured in CA USA. Type: 7 Mixed Sizes of Country Oak Split Fire Gas Log Sticks ; This log set reflects the wild west life style of the American Indians, early settlers and mountain men. Approved Certification is through OMNI TESTING LABORATORIES. Indoor gas logs sets have limited LIFETIME WARRANTY by manufacturer.