Feature: Ceramic Fireballs: Made from ceramic fiber material, heat-resistant, and no bad smell, ensuring security and reliability. The exquisite spherical design complements any style, enhancing your home’s decor, keeping you warm and cozy in cold weather High-Temperature Withstand: Premium ceramic fiber withstands up to 800°C, with no risk of cracking, offering a secure and reliable way to enjoy warmth without any security concerns Reliable Usage: Unlike other fuels that produce ash and black smoke, these ceramic fireballs burn without smoke, making them ideal for both indoor and outdoor use. Enjoy warm moments without worry Compatible with Various Fuel Sources: Including gas and propane, allowing you to create a cozy atmosphere. They can be used with lava rock, fire stones, fire pit stones, or fire rocks, catering to your unique needs 25PCS Set: Easily stack them into different shapes to create a personalized decoration effect! Suitable for fireplaces, fire pits, patios, and outdoor camping, ensuring warmth and comfort anywhere Package Content Fire Stones x 1 Set