FIRE GLASS - Add a bold accent to your propane gas or electric firepit, fire bowl, or fireplace with these fire pit rocks. The glass rocks are approximately 3/4-inch round each, and the 10lb container covers a 12 x 12-inch area to a depth of 1.5-inches. FIRESAFE MATERIAL - These fire pit stones are made of tempered glass that emits heat without creating ash or smoke and without melting or degrading, for long-lasting beauty. Note: Do not use firepit glass with wood-burning or ethanol fires. ATTRACTIVE ACCENT - This translucent firepit glass rock creates a dancing flame effect, upgrading the aesthetics of your outdoor firepit, fire table, or indoor fireplace with a range of unique color options and finishes to match your personal décor style. VERSATILE USE - This amber glass for fire pit bases can also be used as landscaping rocks to add a pop of color to your garden, or you can use these fun fire pit accessories as vase fillers, aquarium pebbles, or in other DIY home décor projects. PRODUCT DETAILS - Materials: Fire Glass. Dimensions: 10lb Container; Individual Piece: (L) 0.75” x (W) 0.75” x (H) 0.75”. Glass Must Be Completely Dry Before Use. Adhere to Fire Pit Instruction Manual. Do Not Block Burner Exhaust Holes. Color: Amber.