Right then. 21. Out into the big wide world! Maybe we should just all live at our parent’s houses forever and never go outside? We can forget about that student debt and any other adult responsibilities. Sorted!Details: Designed by Twin Pines. 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.