FIRE GLASS : adds a unique veneer of brilliance to any common fire pit. 10-Pound, 3/4 Inch Reflective, Onyx Black GAS FIRE PITS AND FIRE PLACES : Designed for Use in Propane and Natural Gas Indoor Fire Place, Fire Pits, Outdoor Fire Bowls, Replaces the boring Lava Rocks & Gas Logs. INDOOR & OUTDOOR : Also use for decoration like garden,back yard,fish tank,swimming pool,flower pot and so on.Will not discolor, melt or deteriorate. will not emit any smoke or odors. PROFESSIONAL QUALITY : Fire-Drops are uniform in size. Premium Tempering process with consistent Jewel-Like color throughout, and Ensure Flawless Performance, and Dazzling Appearance. ECO FRIENDLY AND LONG LASTING : Premium tempered fire glass can be used indoors or outdoors. Very safe and easy to install. All fire resistant glass is made of a unique tempering and filtering process to ensure reliable quality, flawless performance and dazzling appearance.