To check the validity period of Porcupine Tree, you can see the specific information of each Promo Code by clicking View All Coupon in your account on Porcupine Tree. I believe that everyone understands that the Coupon of Porcupine Tree must be used within the validity period. However, some customers may be confused about the Coupon Code for fixed products, these Coupon Code need to be valid before the products are sold out. If you see a promotional poster on the porcupinetree.com homepage, please use it with confidence, because once these Coupon are displayed, they must be within the validity period and will not expire temporarily, so you can buy with confidence.