It is made of copper. One frame is side by side. Because the frame is small and small, it becomes delicate finish. Please use this by wiping off the hole of the frame. * the shape and size of the frame may vary depending on the lot. * this product has a weighing of 1m and 50m (Lille roll). The 50m (Lille roll) contains the domestic employment charge in the price. In addition, there may be a joint connected by wire in one place. Please understand it beforehand.