Skyflame10Lb Natural Lava Rocks, 3/4" X 1", Black, For Use In Fire Pits, Fire Product Details Natural Lava Rock --- Made by Nature and hand picked and bagged. Lava rocks for fire pit are formed when magma rises to the surface during volcanic activity and cools on the surface High Temperature Resistance --- Lave rocks withstand extremely high temperatures with high heat retention properties, will not break down, melt or crack in high heat settings Package Details --- Each bag contains 10 pounds of Lava Rock. Each rock is the most popular size for normal uses between 3/4~1 Inch Widely Usetage --- Great for BBQ?s, Barbeques, Firepits, Fire Pit Bowls, Gas Logs, Fireplaces, Landscaping, Garden Mulch and Aquariums Multifunctional --- Improve flame performance by spreading the gas dispersion in all directions | base layer underneath fire glass or mixing with glass together | retain the heat under the cooking surface for all gas grills | great in soil to retain moisture for plants | decorative landscape lava rock for garden, patio, ponds, fish tank etc. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.