The Amantii 5-Pound Bag of Smokey Grey and White Fire Glass provides a beautiful decorative media option for your electric fireplace. This fire glass gives your fireplace a custom contemporary appearance and won’t deteriorate over time. This media can be mixed with additional colors for even more versatility and an added level of customization. Stones are tumbled and will vary in size. Each bag contains five pounds of fire glass, which is enough to cover approximately one square foot of space. This media kit features a smokey grey and white design. NOTE: This fire glass has been designed for use with electric fireplaces ONLY. Do not use with gas fire features. (SYM-50)Smokey Grey & White Fireglass – 5lbs