Margo Garden Products Landscape Fire Glass is ideal for landscapes and for use in propane and natural gas fire applications. All glass pieces are tumbled to produce smooth edges for landscaping while also tempered to withstand high temperatures. These glass pieces are created through an industry leading manufacturing process to ensure each piece will maintain form and color for years to come. The glass is complimented by a bag designed for easy handling and storage. Half-inch landscape glass is recommended over quarter-inch landscape glass for propane and natural gas fire applications. Use decorative tumbled glass for fire pits, landscapes, aquariums, floral arrangements, water features, and to embed in decorative mosaics and stone works to impress all. Landscape Glass is not recommended material for use in fire places.