The highly durable ceramic fibers that construct each-piece are ideal for indoor and outdoor use and can sustain temperatures up to 1,832°F. But their design is also clever enough not to scratch or scuff the surface of the fireplace. Vented gas fireplace, Outdoor gas fireplaces, indoor gas fireplaces, direct vent, zero clearance, natural gas, gel, standard fire pits, fake fireplaces, electric fireplace inserts, propane fireplaces, etc. 10 life sized ceramic gas logs that won't leave your fireplace looking bare. These ceramic wood logs look just like real wood logs when they're in the fire. Arrange your logs based on your needs. You receive 10 logs with different designs to allow you to use your creativity. Stack the logs in an orderly fashion or mimic nature by placing them at random. Natural glow logs burn clean and do not release any ash or residue into the air like some lower quality fake fireplace logs. Can be used to complement current gas logs, crackle flame fire logs, fire starters, fire log, crackle flame fire logs, glowing embers, fire starters and lava rocks. Size: large.