YKK Flatknit Zippers 20cm #030 13 pieces #561 10 pieces #574 1 piece #577 3 pieces #578 9 pieces #580 2 pieces 35cm #580 4 pieces #520 1 piece 50cm #580 3 pieces Although these are unused items, they have been stored for a while. I don't think there are any noticeable stains, but there may be some creases or discoloration due to the storage period that some people may be concerned about. Please consider purchasing after you are satisfied with the condition.