Margo Garden Products Landscape Fire Glass is ideal for outdoor living areas and for use with propane and natural gas fire appliances. All glass pieces are tumbled to produce smooth edges especially for landscaping, while the tempered finish makes it safe in high temperatures. These glass pieces are created through an industry leading manufacturing process to ensure each piece won’t shatter or lose its luster. The glass comes sealed inside a bag designed for easy handling and storage. It’s the perfect addition to fire pits, landscapes, aquariums, floral arrangements, water features, and to embed in decorative mosaics and stone works. Half-inch landscape glass is recommended over quarter-inch landscape glass for propane and natural gas fire applications. Landscape Glass is not recommended material for use in fire places.