Celestial Fire Glass High Luster, 1/4" Reflective Tempered Fire Glass in Dark Matter Black, 10 Pound Jar, by &#9733; PROPANE AND NATURAL GAS COMPATIBLE &#9733; Designed for use in propane and natural gas fire pits and fireplaces. &#9733; FADE RESISTANT COLOR &#9733; Celestial fire glass will not discolor over time due to the high levels of heat created in propane or gas fire pits and fireplaces. &#9733; NO TOXIC FUMES &#9733; Fire glass by Celestial Fire Glass is designed to ensure that no toxic fumes are generated due to the high temperatures of fire pits and fireplaces. &#9733; SAMPLES AVAILABLE &#9733; Celestial Fire Glass makes shopping for fire pit glass easy and low risk by offering samples for each of our products. Before making your fire glass purchase, we recommend you see and touch our premium quality glass by purchasing a low cost sample  especially since each computer shows colors differently. &#9733; MONEY BACK GUARANTEE &#9733; Buy with confidence thanks to our 100% no questions asked, money back guarantee.