- Selected natural volcanic lava stones in fine and small sizes for quick and even heating - Compatible with most gas grills and barbecues, making for efficient and versatile cooking - Optimal heat distribution, improving the grilling of meats, fish, and vegetables by maintaining a constant temperature - Natural, durable, and reusable material, providing an authentic flavor to grilled foods - Presented in a 3 kg box, ideal for home or professional use, ensuring enough quantity for several grilling sessions