The GT-CRYSTAL 5-Pound Broken Large Fire Glass, 1/2 to 3/4-inch, Clear by Firegear offers a contemporary fire media option to accent your gas fire pit or fireplace. The high quality glass material has been heat treated to create a durable and heat resistant product that is sure to stand up to the heat of your gas fire feature while the clear color offers a contrast to the flames. This 5 pound set of style large fire glass has been tumbled to remove any sharp or dangerous edges while the irregular shapes create a contemporary appearance and range between 1/2 to 3/4 in size. Includes 5 pounds of glass. Features Type Fireglass. Color Crystal/Clear. Contains mixed sizes of glass. About 1/2 to 3/4 in diameter.