【For Outdoor and Indoor Use】The fire glass can be used in propane or natural gas firepits, outdoor or indoor fireplaces, fire tables, fire bowls, and fish tanks. 【Premium Quality and Safe】Our fire pit glass has been tested to ensure it performs well and is safe to use. It will not discolor, melt, pop or deteriorate, nor will it smoke or emit odors. 【Reflective Tempered Glass】With a highly reflective mirror on the back, the fire pit glass rocks emit beautiful metallic luster, glowing during the day and burning at night, colorful. 【Easy Maintenance】The fire table glass can be kept clean by simply rinsing it with water to make it shine. Smooth to the touch and easy to handle, store, and dispense. 【Fire Pit addition】Fire pit glass rocks are a great addition to your fire pit and a great alternative to traditional firewood. The fire glass can be used in propane or natural gas firepits, outdoor or indoor fireplaces, fire tables, fire bowls, and fish tanks. Our fire pit glass has been tested to ensure it performs well and is safe to use. It will not discolor, melt, pop or deteriorate, nor will it smoke or emit odors. With a highly reflective mirror on the back, the fire pit glass rocks emit beautiful metallic luster, glowing during the day and burning at night, colorful. The fire table glass can be kept clean by simply rinsing it with water to make it shine. Smooth to the touch and easy to handle, store, and dispense. Fire pit glass rocks are a great addition to your fire pit and a great alternative to traditional firewood.