It is made of copper. 1 frame per frame is alternately connected vertically and sideways. Because the frame is small and small, it becomes delicate finish. * 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.