The Vevor ceramic fire pit stones set includes 30 gray pebble-style pieces designed to enhance gas and propane fire features indoors or outdoors. Made from ceramic fiber, these stones are heat-resistant up to 800°C and provide a clean, smoke-free burn experience. Their pebble appearance adds a decorative touch to fireplaces, fire pits, patios, courtyards, and camping setups. The reusable stones can also be combined with other fire pit fillers to create custom arrangements.