We hope your fave has a lovely birthday and enjoys themselves to the max! If they want to dance terribly, let them. If they want to run around shouting it’s my birthday, follow them around with confetti for drama. Details: Designed by Mei Støyva. 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.