New, unopened. This is a representative product of Vandoren reeds, which has many fans around the world under the nickname "Blue Box." It is the most widely used reed, highly regarded for many years, and suitable for any style of music. Accuracy: To maintain the accuracy of each reed, they are all checked one by one with precision electronic equipment. Protection: Each reed is protected with a plastic protector to prevent damage. Consumer Guarantee: Individual reed boxes are sealed with cellophane to guarantee they are unopened after leaving the factory. Flow Pack Factory Fresh: Flow Pack is a new concept package sealed with a moisture barrier, ensuring excellent stability through humidity measurement.