Product details:

This fire glass comes in several different sizes and vibrant color options, so you can customize the look of your unit to compliment your existing patio decor. It has been tempered and washed, making the Lava Glass lustrous and safe to use, without ever discoloring or peeling. Each Container of these lustrous glass will cover two square feet and the base layer of your unit should be built up of small lava rock, to ensure the flame stays oxygenated for optimal heat.