Look at those kids, hard at work trying to find a cure. Heroes. We think we especially love the fact that you’d find this style of illustration on a retro revision guide! So innocent yet so dark.Details: Designed by Steven Rhodes. Size: Square (148 x 148mm / 5.8 x 5.8 inches). - that fits as a standard sized letter in the UK mail. Produced from sustainable sources and/or recycled materials Blank inside for your own message. 100% recycled brown kraft envelope supplied. Made in the UK.