Mask elastic, total 15M Bonus: 58 nose wires Approximately 4mm x 3M: 1 piece Approximately 4mm x 2.5M: 2 pieces Approximately 4mm x 2M: 2 pieces Approximately 2mm x 1.4M: 1 piece Approximately 2mm x 1.6M: 1 piece Please note that there may be some error in the thickness and length due to amateur measurement. These items have been stored at home for a long time. Please bid only if you understand this. Those who are concerned about minor details should refrain from bidding. We look forward to your purchase if you understand.