A little Hogwarts magic will let your Harry Potter super fan loved ones know how much you Gryffindor them, making you their number one fan. Details: Designed by Alex Wilmore. Size A6 (105 x 148mm / 4.1 x 5.8 inches). - that fits as a standard sized letter in the UK mail. Produced from sustainable forests and/or recycled materials. Blank inside for your own message. 100% recycled brown kraft envelope supplied. Made in the UK.