Barton fire pit skulls are highly detailed, painted with fireproof paint, and extremely durable. They are made with heat-resistant refractory ceramic fibers with no toxins or harmful chemicals allowing a clean burn to keep your friends and family safe. Ventless gas fireplace, Outdoor gas fireplaces, indoor gas fireplaces, direct vent, zero clearance, natural gas, gel, standard fire pits, fake fireplaces, electric fireplace inserts, vent free fireplaces, propane fireplaces, propane fire pits, ethanol fireplaces, gel fireplaces, and firepits. These gas logs are a great addition to gas logs, rock wood, glowing embers, fireplace or fire pit glass or lava rocks. Color: Blue.