Strong Seal Extensions Long Straight Human hair 60cm, No. 6 currently out of stock. ¥160 per piece, sold in units of 10 pieces per color. Seals are the latest strong medical-grade seals. 1 sheet is 4cm, cut in half for use. Therefore, 1 sheet yields 2 pieces. 10 pieces: 5 sheets 10 pieces: ¥1600 + shipping ¥250 = ¥1850 20 pieces: ¥3200 + shipping ¥250 = ¥3450 30 pieces: ¥4800 + shipping ¥250 = ¥4950 40 pieces: ¥6400 + shipping ¥250 = ¥6650 50 pieces: ¥8000 + shipping ¥250 = ¥8750 Shipping ¥250 Please comment with the number of pieces and color you wish to purchase. Thank you. I have many other extensions for sale, you can view them here: Wig Length: Long Wig Length: Medium Wig Length: Long