These are leftover pieces of fabric purchased over 10 years ago for fabric boards. There are 5 pieces in total, of various sizes. The material is unknown. Please refer to the 4th and 5th photos for approximate sizes. *For photographic reasons, all 5 pieces are folded in half for the pictures. Please check the condition of the items carefully in the photos. These have been stored for a long time, so please consider this before purchasing. They will be folded compactly for shipping.