Excellent for construction or renovation projects for mounds, batter's boxes and catcher's boxes. 4″ x 8″ x 2.5″ unfired solid compacted clay bricks made of gray gumbo clay. Scroll down to calculate how much you need. 324 bricks per pallet (8 bricks per bag, 38 bags per pallet). Ships via commercial truck. Forklift needed for unloading.