This is material from disassembled old children's kimonos. I believe it is probably silk. There is one large piece, 33 x 85 cm. There are two pieces, 25 x 60 cm. There are four pieces, 16.5 x 85 cm. There is one piece, 8 x 140 cm. There is one small piece, 8 x 40 cm. There are 9 pieces in total.