The Amantii AMSF-GLASS-01 1/4-Inch Clear Reflective Fire Glass, 5-Pounds provides a beautiful decorative media option for your electric fireplace. This fire glass gives your fireplace a custom contemporary appearance. This media can be mixed with additional colors for even more versatility. Pieces measure 1/4-inch in thickness, but overall piece sizes will vary. Each bag contains five pounds of fire glass, which is enough to cover approximately one square foot of space. Clear reflective design. (AMSF-GLASS-01)1/4″ Clear Reflective Fireglass – 5lbs