We have a large selection of fire pit glass and lava rocks to choose from for filling your fire pit. Select your accessories based on the overall look and feel that you want to create. As you choose the colors and styles for your fire pit, make sure to follow the general guidelines supplied for the glass to fill your fire pit to the recommended levels. All of our fire pit glass is sold by the pound. Lay it on thick for brilliant sparkles or layer it lightly for a more translucent effect. Pick the color you like for more details!