1 bThese vintage 1960s glass blocks, also known as glass brick, are a unique piece of mid-century modern design. Measuring approximately 7-3/4 inches in height and 8 inches in depth, they are clear in color and weigh around 5 pounds each. Perfect for a fixed window or as decorative accents, these glass blocks exude a retro charm that would be a standout feature in any industrial or commercial space.