Advantage:Our luster glass rocks are made of glass, corrosion resistant, heat resistant, and will not fade, melt, or crack.Fire glass is often used in outdoor fire pits, fireplaces, fire bowls and fire tables, replacing boring gas logs and rock logs.They are commonly used as vase fillers and garden decorations, table scatters, game pieces, or for arts and crafts.They can be applied to pool, bar, vase decors, fish tank and Aquarium. Once the fire glass are completely dry, add them to your fire pit.Specification:Material: GlassColor: Sky BlueLength: 1.9cmThickness: 9mmPackage Included: 67pcs x Fire Glass Beads.