GL1000WH Color: White Features: -Can be replace or be used with lava rocks in fireplaces or fire pits. -Indoor and outdoor safe but should not be left in rain. Product Type: -Accessories & Kits. Primary Material: -Ceramic. Number of Products in Set: -24. Pieces Included: -24. Country of Manufacture: -United States. Dimensions: Overall Width – Side to Side: -6″. Overall Depth – Front to Back: -3″. Overall Product Weight: -1 lbs. Overall Height – Top to Bottom: -8″.