With the Teamson Home Brown Lava Rocks you can create a unique effect and a great conversation piece for your gas fire pit! Rocks sizes range from 1cm to 3cm in diameter and are mostly brown with hints of grey and red. All fire rocks feature a rough volcanic surface. Rocks are all natural and durable, withstanding temperatures up to 1472° F / 800 ° C and natural weathering and will not melt, break or emit smoke when burned at high temperatures. Replace any current ceramic logs with lava rocks for a distinctive look for your fireplace or fire pit. In addition to being used in a fire pit or fireplace, lava rocks can be used in landscaping and gardens. This product is perfect for fire bowls, fire pits, and outdoor fireplaces, propane or natural gas. It also can be used as a neutral base layer, then top with fire glass. Teamson is a global lifestyle home designs brand bringing joy into every home through beautiful, quality pieces made for stylishly comfortable everyday living. Teamson