Advantage:Our luster glass rocks are made of glass, corrosion resistant, heat resistant, and will not fade, melt, or crack.With mirrored surface of the glass can be view from far or near to make the flame sparkle stylish.Fire glass is often used in outdoor fire pits, fireplaces, fire bowls and fire tables, replacing boring gas logs and rock logs.It is also suitable for glass vase fillers, and garden decoration, widely used in fish tanks, aquariums, and flower pots.Once the fire glass are completely dry, add them to your fire pit. Specification:Material: GlassColor: WhiteSize: 1.8cm x 8mm (W*T) Package Included: 81pcs x Fire Glass Beads.