With hanging strip – box size -25mm on length and height Without hanging strip – box size -12mm on length and height Hanging strip (12 x 5mm acrylic strip) is fitted to rear of panel, flush to the top, to finish approx. 50mm from either end. **You will experience excessive expansion and contraction on acrylic panels when fully flooded with vinyl** Visual size = box size – 64mm on length and height