Mr. Fireglass 10 Pounds Black Natural Lava Rock for Indoor Outdoor Gas Fire Pits Fireplaces & Barbecue Grills | Volcanic Lava Stones for Decorating Garden Landscaping, Potted Plants, 0.2"-0.3"

Pure Natural Lava Rocks: Lava stone comes in a variety of sizes from 0.2"" to 0.3"". Volcanic rock is truly natural, available in black and red. No fillers, chemicals or colors added. Eco-Friendly for Indoor and Outdoor Uses: Liquid propane or natural gas is compatible. These fire rocks are perfect to use with fire bowls, fire pits, and fireplaces. Use these fire pit rocks as a filler or other creative interior and exterior design. Strong Heat Resistance: Black lava rock can resist extreme temperatures without damage and crumbling. By spreading the gas in all directions to increase the temperature of the flame. Multifunctional for Decoration: As a base layer underneath fire glass and even mixing with the lava and glass together. Simply pour natural rocks into the soil to retain moisture for plants and raise garden bed. Lava rock can also be used as a decoration for gardens, walkways, fountains, patios and ponds. High Quality & Low Cost Fire Rocks: Easy to maintain, without discolor, fade or crumble. Porous surface without ash or smoke. Naturally occurring fire pit stones feature a fascinating burning effect