Add a touch of glamour to your fire pit with these eco-friendly and safe red lava rocks. Made from tempered clear glass and fire resistant up to 600°, these lava rocks will not melt, break, or emit smoke. Designed for use indoors or outdoors with propane fire pits, they are a great replacement for glass logs, adding ambience and creating a beautiful shimmer during the day and appearing multicoloured at night. These lava rocks can also be used in aquariums and for landscaping. They are easy to clean with water and vinegar. Teamson Home is a global lifestyle home designs brand that brings joy into every home through beautiful, quality pieces made for stylishly comfortable everyday living. The coloured fire glass rocks leave no smoke, ash, or odour when burnt and can be re-used many times. Each bag contains 4kg/9lbs of tempered glass rocks, providing a continuous iridescent shimmer from the sun's rays during the day and from the flames at night. They are made from safety tempered glass, with fire & heat resistance up to 600°C, ensuring they will not melt or break when burned at high temperatures. Designed for use in outdoor garden gas fire pits, they can replace or complement existing gas logs and lava rocks for ambience. They can also be used in aquariums and landscaping. To clean, simply rinse with vinegar and water. The average length of glass is 1.3 cm. Package dimensions are L30 x W30 x H8 cm. Product dimensions are H:7.6 x W:29.8 x D:29.8 cm. This product comes with a 30-day guarantee.