This supplement will upgrade your package to priority shipping via Royal Mail's International Tracked (international orders) or Royal Mail's Special Delivery (UK orders). International Tracked: estimated delivery within 5-7 days of dispatch. Special Delivery: Guaranteed delivery within 1 day of dispatch. *** IMPORTANT NOTE *** I work part time, and normally orders will only be posted on TUESDAYS AND THURSDAYS. Please *only* purchase this priority mail upgrade if you understand that your mail will not be posted until these working days. Feel free to message me if you have any questions at all. Thank you!