This item is new and unopened, but has been stored in this condition for several years. Please refrain from purchasing if you are concerned about it being a used item. D'Addario Pro-Arte EJ45 strings are silver-plated wound on a nylon core, and are normal tension, perfect for classical guitars. - Brand: D'Addario - Model Name: Pro-Arte EJ45 - Type: Classical Guitar Strings - Material: Nylon core, silver-plated wound - Tension: Normal Tension Thank you for looking.