Text on the reverse side:
A university study showed that the more brothers a man has, the faster his sperm swim and the greater his fertility - one of the many things to thank in having a brother.
- A6 size (148mm x 105mm)
- Luxury pearlescent eco-certified paper
- Produced in our London studio
- Trivia fact on the reverse
- GS1 barcode for POS
- Biodegradable cello bag (naked option available)
