Outback Hot Rocks - a premium lava rock alternative of unmatched quality. Crafted in the UK from a blend of slate, oakwood particles, and purified charcoal, each of the 55 pieces boasts a uniform shape and finish. Engineered for excellence, these nonporous rocks resist grease absorption, curbing fat fires. The smart sloped design channels grease into the drip tray or infuses it into the meat, delivering an exceptional charcoal flavor. Elevate your grilling experience with Outback Hot Rocks.